If you missed my weekly show on TWiT Live (http://live.twit.tv/) with Leo Laporte yesterday, we have the entirety of the show now available for you here.  In this episode we discussed Windows 7 gaming performance, the Caustic Graphics ray tracing accelerator, AMD and Havok showing off OpenGL physics, Bigfoot Networks Xeno card and the Fusion Render Cloud server-based gaming systems.  Guest starring Paul Thurrott!