Uh oh, just as we thought NVIDIA had moved beyond its penchant for rebadging hardware, here comes the vanguard of its 500M mobile GPU series -- which happens to be specced nearly identically to what's already on offer in the 400M family. The GT 540M chip maintains the same 96 CUDA cores and 128-bit memory interface as the GT 435M, but earns its new livery by cranking up graphics and processor clock speeds to 672MHz and 1344MHz, respectively, while also taking the onboard memory to a max speed of 900MHz. Power requirements have been