New rumors today imply that Nvidia is preparing to release a mainstream version of its Maxwell GPU in late January. Nvidia debuted Maxwell in three desktop GPUs in 2014 — the lower-end GTX 750 Ti in February, and the high-end GTX 980 and GTX 970 in September. The GTX 970 was the crown jewel of that arrangement, as far as the price-performance ratio is concerned. Now, the company is reportedly ...