Blake, who is a consultant working with Microsoft technologies brought to my attention his amazing overview-page about free add-ons to Microsoft Windows - I think this is very cool, you might have a look at it http://spaces.msn.com/members/bhandler/Blog/cns!1pt1v0Q4vD8jSvNS4lqdAuug!340.entry (OK, now I feel a bit guilty that we at Microsoft don't do a better job ourself about promoting this - anyway, thanks to Blake for sharing this).

Andreas