I noticed that Pownce added some features today.  My favorite new feature is the ability to add links to all my other profiles on other various networks, including MySpace, Stumbleupon, Last.fm, Twitter, and more.  I still however don’t think it beats Twitter yet.  So I will keep my microblogging on Twitter for now.  Pownce seems to be coming along nicely but it still needs some applications and extensions to make it easier to access and RSS.  Hopefully those are coming next!