diff --git a/changelog.md b/changelog.md
index fbf825ca80..524b125185 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,16 @@
 Changelog
 =========
 
+## v0.6.5 - July 6, 2011
+
+Contributed changes:
+
+*  Support SlowBuffers (Umair Siddique)
+*  Add Multi to exports (Louis-Philippe Perron)
+*  Fix for drain event calculation (Vladimir Dronnikov)
+
+Thanks!
+
 ## v0.6.4 - June 30, 2011
 
 Fix bug with optional callbacks for hmset.
diff --git a/examples/backpressure_drain.js b/examples/backpressure_drain.js
index a64456e8de..3488ef4d3f 100644
--- a/examples/backpressure_drain.js
+++ b/examples/backpressure_drain.js
@@ -3,7 +3,7 @@ var redis = require("../index"),
         command_queue_high_water: 5,
         command_queue_low_water: 1
     }),
-    remaining_ops = 10000, paused = false;
+    remaining_ops = 100000, paused = false;
 
 function op() {
     if (remaining_ops <= 0) {
diff --git a/index.js b/index.js
index 6b813d3648..001452bd26 100644
--- a/index.js
+++ b/index.js
@@ -285,7 +285,7 @@ RedisClient.prototype.send_offline_queue = function () {
     }
     this.offline_queue = new Queue();
     // Even though items were shifted off, Queue backing store still uses memory until next add, so just get a new Queue
-    
+
     if (!buffered_writes) {
         this.should_buffer = false;
         this.emit("drain");
diff --git a/package.json b/package.json
index 3ae78e7b39..50f3251eaa 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {   "name" : "redis",
-    "version" : "0.6.4",
+    "version" : "0.6.5",
     "description" : "Redis client library",
     "author": "Matt Ranney <mjr@ranney.com>",
     "contributors": [
diff --git a/tests/buffer_bench.js b/tests/buffer_bench.js
index 245ae0e52c..a504fbc087 100644
--- a/tests/buffer_bench.js
+++ b/tests/buffer_bench.js
@@ -5,6 +5,37 @@ for (i = 99 ; i >= 0 ; i--) {
     source[i] = 120;
 }
 
+var str = "This is a nice String.",
+    buf = new Buffer("This is a lovely Buffer.");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+    if (Buffer.isBuffer(str)) {}
+}
+var end = new Date();
+console.log("Buffer.isBuffer(str) " + (end - start) + " ms");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+    if (Buffer.isBuffer(buf)) {}
+}
+var end = new Date();
+console.log("Buffer.isBuffer(buf) " + (end - start) + " ms");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+    if (str instanceof Buffer) {}
+}
+var end = new Date();
+console.log("str instanceof Buffer " + (end - start) + " ms");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+    if (buf instanceof Buffer) {}
+}
+var end = new Date();
+console.log("buf instanceof Buffer " + (end - start) + " ms");
+
 for (i = bytes ; i > 0 ; i --) {
     var start = new Date();
     for (j = count ; j > 0; j--) {