Two GTX 260 Core 216's Superclocked running in SLI, each x16 mode. Each with 893 MB DDR3.
Also... i7 3.8 GH/z and 6gb Overclocked DDR3 RAM.
Thingy:
Device name: NVIDIA GeForce GTX 260 (2 of these)
Pixel shader: 3 (though I have 4)
Estimated VRAM: 3690 MB (wat?)
Motion blur: Yes