Quote Originally Posted by Evil_Maniac From Mars
PhysX: Not sure if I need one at all.

DVD writer/CD drive:
Don't waste your money on the PhysX deal. You'd be far better off sinking that money into quality parts that let you get a very nice stable OC on your CPU.

As for DVD burner, NEC/Plextor/Liteon haven't ever let me down.

Good choice on the Powersupply, the PSU is often the most overlooked part on a PC.
Aye... Mantra to live by: "Two things never to skimp on; RAM and PSU." I just wish PC Power and Cooling had a wider range of offerings and their stuff wasn't so @#$@% expensive. I love my 510SLI, been running like a champ for 2 years solid without a hitch. And I'm not kidding when I say this thing could probably deflect lower calibre bullets!