See detail at my colleague Ashish Jaiman's blog.
The Microsoft BizSpark Incubation Week for Windows 7 will be held at Microsoft Technology Center, Reston, VA from Mon 8/24/2009 to Fri 8/28/2009. This event consists of ½ day of training, 3 ½ days of active prototype/development time, and a final day for packaging/finishing and reporting out to a panel of judges for various prizes.
This event is a no-fee event (plan your own travel expenses) and each team can bring 3 participants (1 business and 1-2 technical). To nominate your team, please submit the following details to Sanjay Jain or Ashish Jaiman (preferably via your BizSaprk Sponsor). Nominations will be judged according to the strength of the founding team, originality and creativity of the idea, and ability to leverage new and unique Windows 7 features.