I cannot believe that it took me so long to get my ducks in a row.
First, Twitterified was entirely written in Javascript, like most AIR clients. But some testing showed that rewriting in AS3 would dramatically increase responsiveness.
Then, I had to work on my web framework while creating twitterified.com. And finally I was only able to offer a decent video thanks to the overall godness offered by Vimeo.
But hey, here it is! For a limited period of time, if you go to the invite page and enter the code “nexus”, you will be automatically added to the private beta program.

Twitterified powers up your Twitter experience, allowing it to compete with the “new kids”: Pownce, Friendfeed, etc.