[Ernest_at_the_Beach]

Well.... see this review from HardOCP...they like the ATI's and Cross Fire :

NVIDIA GeForce GTS 450 SLI Video Card Review

[Ernest_at_the_Beach]

My interest is the Architecture...:

Each Fermi CUDA processor core has a fully pipelined integer arithmetic logic unit (ALU) and floating point unit (FPU).
And there is PHYSX.