I had some fun w/ a small jQuery project the other day. MikeonTV is a friend who hangs out in the #ping.fm channel and here is his tumblr. See the top? Yeah I really liked that and wanted to gank rebuild it using jQuery, so I did. And that's that.
There's been some back and forth on the comment rating and clout surrounding the disqus commenting system, which I use and happen to like. I found a quick and dirty solution to hiding the voting arrows on your site using jQuery.
I'm a huge fan of jQuery. Call me a fanboi I don't care, I just love it. It's actually one of the main reasons why I wanted to redevelop my site, to convert everything over to jQuery.