Ready for some more dual-GPU madness, only this time in the resplendent green of NVIDIA? EVGA has gone and concocted a special Halloween edition of the GTX 275, which has sprouted an entire GTS 250 appendage solely for PhysX gruntwork. Dubbed a new form of Hybrid SLI, EVGA's latest combines -- for the first time, from what we can tell -- two different GPUs and assigns them with specific and mutually exclusive tasks. Whether this concept takes off will depend to a large extent on the effectiveness of PhysX acceleration and whether it can show more efficient scaling than regular
