We had fun looking at Ext.js last night. Nothing fancy; mainly just looking through the examples focusing on datagrids.

Extjs home:
http://www.sencha.com/

We also talked about some of the differences in a few of the popular javascript frameworks and a few good jQuery plugins.
Jqgrid Plugin
jQueryUI Themeroller

Little tutorial to add a bit of dynamic text to your site’s favicon (the icon that appears on the tab or window border). Google added a feature to gmail (available in Labs), which shows the number of new messages in your inbox using this kind of method.
http://viralpatel.net/blogs/2011/01/dynamic-unread-count-favicon-in-php.html