NVIDIA's GeForce GTX 690 currently wears the world's-fastest-graphics crown by cramming two Kepler GPUs onto one board. When it comes to improving on that, some leaked European retailer listings suggest NVIDIA might wait on a completely next-gen architecture, but may instead try to deliver similar performance through a less power-hungry single GPU design. The listings, gathered together by TechPowerUp and VideoCardz, point towards a pricey new flagship, the GeForce GTX Titan, that would be a graphics-focused adaptation of the beefy