diff --git a/consensus/reactor.go b/consensus/reactor.go
index c2874df2..b97a45a2 100644
--- a/consensus/reactor.go
+++ b/consensus/reactor.go
@@ -91,9 +91,9 @@ func (conR *ConsensusReactor) GetChannels() []*p2p.ChannelDescriptor {
 			SendQueueCapacity: 100,
 		},
 		&p2p.ChannelDescriptor{
-			ID:                 DataChannel,
-			Priority:           2,
-			SendQueueCapacity:  50,
+			ID:                 DataChannel, // maybe split between gossiping current block and catchup stuff
+			Priority:           200,         // once we gossip the whole block there's nothing left to send until next height or round
+			SendQueueCapacity:  100,
 			RecvBufferCapacity: 50 * 4096,
 		},
 		&p2p.ChannelDescriptor{
diff --git a/consensus/state.go b/consensus/state.go
index aafef7ec..7dcb6eb0 100644
--- a/consensus/state.go
+++ b/consensus/state.go
@@ -835,8 +835,8 @@ func (cs *ConsensusState) decideProposal(height, round int) {
 			part := blockParts.GetPart(i)
 			cs.sendInternalMessage(msgInfo{&BlockPartMessage{cs.Height, cs.Round, part}, ""})
 		}
-		log.Info("Signed and sent proposal", "height", height, "round", round, "proposal", proposal)
-		log.Debug(Fmt("Signed and sent proposal block: %v", block))
+		log.Info("Signed proposal", "height", height, "round", round, "proposal", proposal)
+		log.Debug(Fmt("Signed proposal block: %v", block))
 	} else {
 		log.Warn("enterPropose: Error signing proposal", "height", height, "round", round, "error", err)
 	}
diff --git a/types/block.go b/types/block.go
index f2d1ef57..739a61b1 100644
--- a/types/block.go
+++ b/types/block.go
@@ -337,6 +337,7 @@ type Data struct {
 
 func (data *Data) Hash() []byte {
 	if config.GetBool("disable_data_hash") {
+		// we could use the part_set hash instead
 		data.hash = []byte{}
 		return data.hash
 	}
diff --git a/types/part_set.go b/types/part_set.go
index 5940a85d..bb7d11b1 100644
--- a/types/part_set.go
+++ b/types/part_set.go
@@ -15,7 +15,7 @@ import (
 )
 
 const (
-	partSize = 4096 // 4KB
+	partSize = 65536 // 64KB ...  4096 // 4KB
 )
 
 var (
@@ -203,6 +203,7 @@ func (ps *PartSet) AddPart(part *Part) (bool, error) {
 	}
 
 	// Check hash proof
+	// TODO: minor gains for not checking part sets we made
 	if !part.Proof.Verify(part.Index, ps.total, part.Hash(), ps.Hash()) {
 		return false, ErrPartSetInvalidProof
 	}