I'm running Boot Camp for gaming on my 13" Mid 2010 MacBook Pro, and right now I'm running XP because I play some older games and there aren't many new games just yet that don't have XP support. However, I'm wondering if the integrated GeForce 320M supports DirectX 10. If so, it might be worth upgrading to Windows 7 for the boost in graphics performance. Anyone have an answer to this?