[Vancha]

Mutant/Goku has it right. We just don't know which "PhysX" is being used. I get the feeling it's the SDK and not the graphical effects, which would make GPU brand irrelevant, but we won't know for sure until it's confirmed.

The problem is, Nvidia are...sponsoring? SOE, which means they'll probably try and steer people towards Nvidia regardless, so the only way we'll really know is once we have some benchmarks.