Paint.net is an absolute must-have.  It is the tool I use to build all the graphics for my site although that may not be saying that much...  :-)  Congrats on shipping the final build guys.  Great work.

In other news, did you see the Feeds Plus install for IE7?  I use IE and Outlook for reading RSS because I like the concept of the central OPML and both tools use it.  I'm a big fan of RSS Bandit and will switch back to it once it can use the Vista central OPML.