Switched from using YUI Compressor to Google Compiler. Minified and Gzipped filesize reduced to 22,839 bytes from 26,169 bytes (13% decrease in filesize). Sizzle copyright was merged into the main header (since it's removed automatically). Still passes all unit tests.

src/intro.js

@@ -2,10 +2,15 @@
  * jQuery JavaScript Library v@VERSION
  * http://jquery.com/
  *
- * Copyright (c) 2009 John Resig
+ * Copyright 2009, John Resig
  * Dual licensed under the MIT or GPL Version 2 licenses.
  * http://docs.jquery.com/License
  *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2009, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
  * Date: 
  */
 (function(window, undefined){