Another exciting opportunity to show off your skills, this time on Windows 7 https://www.code7contest.com/default.aspx?section=page4.

The prize is super grand, you get to fly to LA and be part of the Professional Developers Conference of Microsoft and not just that you also get to show case your winning app in front of millions of viewers. Check out Yochay kiriaty’s blog for more information on the contest - http://windowsteamblog.com/blogs/developers/default.aspx