When first announced, we had fears that the new NVIDIA GeForce GT 500M-series graphics would be little more than a tweak of a clock speed here and a new sticker there, as the specs of the 540M (96 CUDA cores, 128-bit memory interface) match the 435M series bit-for-bit. But, a Notebook Journal review of the first laptop to bear NVIDIA's latest, the Acer Aspire 5742G, finds that the performance boost is tangible. "Much stronger,"
