..............of excitement! My CE arrived....

If all I can do is sit in the pit and get used to the interface, new CEM, set up my trackIR, etc that will be a start. Hopefull in the coming weeks I will have a better idea of what to do regards my XP Dual core - 4Gb - 250GTS.
I only have two memory slots on my mobo but is it worth installing my Win 7 64bit upgrade disc and having DX10 support but only have 2Gb of RAM as opposed to 3.5Gb with XP before installing it?