If you have Windows Live For Games you can dl Tinker for free. Its a puzzle game with a robot, fun for passing the time!
http://www.microsoft.com/games/en-US/Games/Pages/tinker.aspx
* You do need to have a Free (or and Xbox live ID) Games For Windows Live login to get this deal, and have to download it from within the program.
Still tho, its free! Free is good! Free is the Fatwallet way!