diff --git a/css/main.css b/css/main.css
index c898be077..8c1b25984 100644
--- a/css/main.css
+++ b/css/main.css
@@ -88,6 +88,11 @@ html, body {height: 100%;}
   width: 25%;
 }
 
+.top-bar-section .label.alert {
+  vertical-align: super;
+  margin-left: 5px;
+}
+
 .header {
   margin-bottom: 30px;
 }
diff --git a/index.html b/index.html
index 33efc8f02..4a532760c 100644
--- a/index.html
+++ b/index.html
@@ -42,6 +42,7 @@
                 <span ng-if="!$root.loading">{{availableBalance || 0}}</span>
                 <i class="fi-bitcoin"></i>
               </div>
+     
             </div>
           </div>
 
@@ -56,7 +57,9 @@
           <section class="top-bar-section {{isCollapsed && 'hide_menu' || 'show_menu'}}">
             <ul>
               <li data-ng-repeat="item in menu" ui-route="/{{item.link}}" class="text-center" data-ng-class="{active: isActive(item)}">
-                <a href="{{item.link}}"> <i class="{{item.icon}}"></i> {{item.title}}</a>
+                <a href="{{item.link}}"> <i class="{{item.icon}}"></i> {{item.title}} 
+                  <span class="label alert round" ng-if="item.link=='#/transactions' && $root.pendingTxCount > 0">{{$root.pendingTxCount}}</span>
+                </a>
               </li>
             </ul>
           </section>
@@ -387,10 +390,10 @@
               <div class="row m15">
                 <div class="large-4 columns" ng-show="!tx.sentTs" style="padding-left: 5px;">
                   <div ng-show="!tx.signedByUs && !tx.rejectedByUs  && !tx.finallyRejected && tx.missingSignatures"> 
-                    <button class="secondary radius m10r"  ng-click="sign(tx.ntxid)" ng-disabled="loading" loading="Signing">
+                    <button class="secondary radius m10r"  ng-click="sign(tx.ntxid)" ng-disabled="loading">
                       <i class="fi-check"></i> Sign
                     </button>
-                    <button class="warning radius" ng-click="reject(tx.ntxid)" ng-disabled="loading" loading>
+                    <button class="warning radius" ng-click="reject(tx.ntxid)" ng-disabled="loading">
                       <i class="fi-x" ></i> Reject 
                     </button>
                   </div>
@@ -602,7 +605,6 @@
               <input type="number" ng-model="blockchainPort">
             </div>
           </fieldset>
-
           <fieldset>
             <legend>Socket</legend>
             <div class="row">
@@ -626,8 +628,22 @@
       </div>
     </script>
 
-<!-- / <div class="large-4 columns box-backup">Backup to Dropbox</div>
-          // <div class="large-4 columns box-backup">Backup to email</div> -->
+    <!-- UNSUPPORTED -->
+    <script type="text/ng-template" id="unsupported.html">
+      <h2 class="text-center">Browser unsupported</h2>
+      <h3 class="text-center">
+Copay uses webRTC for peer-to-peer communications, 
+but your browser does not support it. 
+Please use 
+  a current version of Google Chrome, Mozilla Firefox, or Opera. 
+<br><br>
+
+For more information
+on supported browsers please check <a href="http://www.webrtc.org/">http://www.webrtc.org/</a>
+      </h3>
+
+    </script>
+
     <!-- NOT FOUND -->
     <script type="text/ng-template" id="404.html">
       <h2 class="text-center">404</h2>
diff --git a/js/controllers/header.js b/js/controllers/header.js
index e97010e1e..3ceb1d865 100644
--- a/js/controllers/header.js
+++ b/js/controllers/header.js
@@ -23,6 +23,7 @@ angular.module('copay.header').controller('HeaderController',
 
     $rootScope.$watch('wallet', function(wallet) {
       if (wallet) {
+        controllerUtils.updateTxs();
       }
     });
 
diff --git a/js/controllers/transactions.js b/js/controllers/transactions.js
index f1ea1952e..26f948cbc 100644
--- a/js/controllers/transactions.js
+++ b/js/controllers/transactions.js
@@ -1,46 +1,11 @@
 'use strict';
 
 angular.module('copay.transactions').controller('TransactionsController',
-  function($scope, $rootScope, $location) {
-    var bitcore = require('bitcore');
+  function($scope, $rootScope, controllerUtils) {
 
     $scope.title = 'Transactions';
     $scope.loading = false;
 
-
-
-    var _updateTxs = function() {
-      var w   =$rootScope.wallet;
-      if (!w) return;
-
-      var inT = w.getTxProposals();
-      var txs  = [];
-
-      inT.forEach(function(i){
-        var tx  = i.builder.build();
-        var outs = [];
-
-        tx.outs.forEach(function(o) {
-          var addr = bitcore.Address.fromScriptPubKey(o.getScript(), config.networkName)[0].toString();
-          if (!w.addressIsOwn(addr, {excludeMain:true})) {
-            outs.push({
-              address: addr, 
-              value: bitcore.util.valueToBigInt(o.getValue())/bitcore.util.COIN,
-            });
-          }
-        });
-        // extra fields
-        i.outs = outs;
-        i.fee = i.builder.feeSat/bitcore.util.COIN;
-        i.missingSignatures = tx.countInputMissingSignatures(0);
-        txs.push(i);
-      });
-      $scope.txs = txs;
-      w.removeListener('txProposalsUpdated',_updateTxs)
-      w.once('txProposalsUpdated',_updateTxs);
-      $scope.loading = false;
-    };
-
     $scope.send = function (ntxid) {
       $scope.loading = true;
       var w = $rootScope.wallet;
@@ -50,7 +15,8 @@ angular.module('copay.transactions').controller('TransactionsController',
             ? {type:'success', message: 'Transaction broadcasted. txid: ' + txid}
             : {type:'error', message: 'There was an error sending the Transaction'}
             ;
-          _updateTxs();
+          controllerUtils.updateTxs();
+          $scope.loading = false;
           $rootScope.$digest();    
       });
     };
@@ -62,17 +28,19 @@ angular.module('copay.transactions').controller('TransactionsController',
 
       if (!ret) {
         $rootScope.flashMessage = {type:'error', message: 'There was an error signing the Transaction'};
-        _updateTxs();
-        $rootScope.$digest();    
+        controllerUtils.updateTxs();
+        $scope.loading = false;
+        $rootScope.$digest();
         return;
       }
       var p = w.txProposals.getTxProposal(ntxid);
       if (p.builder.isFullySigned()) {
         $scope.send(ntxid);
-        _updateTxs();
+        controllerUtils.updateTxs();
       }
       else {
-        _updateTxs();
+        controllerUtils.updateTxs();
+        $scope.loading = false;
         $rootScope.$digest();    
       }
     };
@@ -100,18 +68,7 @@ angular.module('copay.transactions').controller('TransactionsController',
       var w = $rootScope.wallet;
       w.reject(ntxid);
       $rootScope.flashMessage = {type:'warning', message: 'Transaction rejected by you'};
-      _updateTxs();
-//      $rootScope.$digest();    
+      $scope.loading = false;
     };
 
-    _updateTxs();
-
-    var w = $rootScope.wallet;
-    if (w) {
-      w.on('txProposalsUpdated', function() {
-        console.log('[transactions.js.108: txProposalsUpdated:]'); //TODO
-        _updateTxs();
-        $rootScope.$digest();    
-      });
-    }
   });
diff --git a/js/models/core/Wallet.js b/js/models/core/Wallet.js
index 27225bb8a..3eda3de05 100644
--- a/js/models/core/Wallet.js
+++ b/js/models/core/Wallet.js
@@ -346,7 +346,7 @@ Wallet.prototype.reject = function(ntxid) {
   txp.rejectedBy[myId] = Date.now();
   this.sendTxProposals();
   this.store();
-  this.emit('refresh');
+  this.emit('txProposalsUpdated');
 };
 
 
@@ -367,7 +367,7 @@ Wallet.prototype.sign = function(ntxid) {
     txp.signedBy[myId] = Date.now();
     this.sendTxProposals();
     this.store();
-    this.emit('refresh');
+    this.emit('txProposalsUpdated');
     return true;
   }
   return false;
@@ -505,6 +505,7 @@ Wallet.prototype.createTx = function(toAddress, amountSatStr, opts, cb) {
       self.sendPublicKeyRing(); // Change Address
       self.sendTxProposals();
       self.store();
+      self.emit('txProposalsUpdated');
     }
     return cb();
   });
diff --git a/js/routes.js b/js/routes.js
index 3f445a1fa..bfc5061d7 100644
--- a/js/routes.js
+++ b/js/routes.js
@@ -46,6 +46,9 @@ angular
         templateUrl: 'settings.html',
         validate: false
       })
+      .when('/unsupported', {
+        templateUrl: 'unsupported.html'
+      })
       .otherwise({
         templateUrl: '404.html'
       });
@@ -61,8 +64,14 @@ angular
   })
   .run(function($rootScope, $location) {
     $rootScope.$on('$routeChangeStart', function(event, next, current) {
-      if ((!$rootScope.wallet || !$rootScope.wallet.id) && next.validate) {
-        $location.path('signin');
+
+      if (!util.supports.data) {
+        $location.path('unsupported');
+      }  
+      else {
+        if ((!$rootScope.wallet || !$rootScope.wallet.id) && next.validate) {
+          $location.path('signin');
+        }
       }
     });
   });
diff --git a/js/services/controllerUtils.js b/js/services/controllerUtils.js
index 30d90a1be..299d021dd 100644
--- a/js/services/controllerUtils.js
+++ b/js/services/controllerUtils.js
@@ -82,6 +82,10 @@ angular.module('copay.controllerUtils')
         root.updateBalance();
         $rootScope.$digest();
       });
+      w.on('txProposalsUpdated', function() {
+        root.updateTxs();
+        root.updateBalance();
+      });
       w.on('openError', root.onErrorDigest);
       w.on('connect', function(peerID) {
         if (peerID) {
@@ -104,7 +108,6 @@ angular.module('copay.controllerUtils')
       if ($rootScope.addrInfos.length === 0) return;
       $rootScope.loading = true;
       w.getBalance(false, function(balance, balanceByAddr) {
-        console.log('New total balance:', balance);
         $rootScope.totalBalance = balance;
         $rootScope.balanceByAddr = balanceByAddr;
         $rootScope.selectedAddr = $rootScope.addrInfos[0].address.toString();
@@ -113,13 +116,53 @@ angular.module('copay.controllerUtils')
         if (cb) cb();
       });
       w.getBalance(true, function(balance) {
-        console.log('New available balance:', balance);
         $rootScope.availableBalance = balance;
         $rootScope.loading = false;
+        $rootScope.$digest();
         if (cb) cb();
       });
     };
 
+    root.updateTxs = function() {
+      var bitcore = require('bitcore');
+      var w = $rootScope.wallet;
+      if (!w) return;
+      
+      var inT = w.getTxProposals();
+      var txs  = [];
+
+      inT.forEach(function(i){
+        var tx  = i.builder.build();
+        var outs = [];
+
+        tx.outs.forEach(function(o) {
+          var addr = bitcore.Address.fromScriptPubKey(o.getScript(), config.networkName)[0].toString();
+          if (!w.addressIsOwn(addr, {excludeMain:true})) {
+            outs.push({
+              address: addr, 
+              value: bitcore.util.valueToBigInt(o.getValue())/bitcore.util.COIN,
+            });
+          }
+        });
+        // extra fields
+        i.outs = outs;
+        i.fee = i.builder.feeSat/bitcore.util.COIN;
+        i.missingSignatures = tx.countInputMissingSignatures(0);
+        txs.push(i);
+      });
+      $rootScope.txs = txs;
+      var pending = 0;
+      for(var i=0; i<txs.length;i++) {
+        if (!txs[i].finallyRejected && !txs[i].sentTs) {
+          pending++;
+        }
+      }
+      $rootScope.pendingTxCount = pending;
+      w.removeListener('txProposalsUpdated',root.updateTxs)
+      w.once('txProposalsUpdated',root.updateTxs);
+      $rootScope.loading = false;
+    };    
+
     root.setSocketHandlers = function() {
       // TODO: optimize this?
       Socket.removeAllListeners();
diff --git a/util/build.js b/util/build.js
index 14855bbe8..344a85e89 100755
--- a/util/build.js
+++ b/util/build.js
@@ -42,6 +42,7 @@ var createBundle = function(opts) {
   b.require('./copay', {
     expose: 'copay'
   });
+  b.external('bitcore');
   b.require('./js/models/core/WalletFactory');
   b.require('./js/models/core/Wallet');
   b.require('./js/models/core/Wallet', {