Oh, bummer! Given that XNA GSE is a beta and given that it requires C# Express, not Visual Studio, I installed it in a VMWare OS, but when I went to run the sample SpaceWar game, I received a "No suitable graphics" message. I think that leaves me out of luck. Maybe I'll install it on one of my laptops, but if anything actually needs the power of my development machine, it's game programming.