If you've not yet grabbed the latest beta of Visual Studio 2008 then now is the time to go and get it and have a play.
Not only will you get access to a cutting edge development platform you'll have the opportunity to help test out a whole new distribution method.
Thanks to work from Microsoft Research in Cambridge this beta is available using the Microsoft Secure Content Downloader peer to peer platform.
Read all about it, and grab the download from here.