No one can accuse Maingear of skipping the latest hardware cycles -- less than a month after offering PCs with NVIDIA GeForce GTX 650 and 660 graphics, the PC system builder has announced that you can get all its desktop machines with GTX 650 Ti graphics now, too. As it happens, NVIDIA has just launched that very product -- a friskier version of the GTX 650 with extra Cuda cores -- keeping Maingear in lockstep with its graphics board suppliers