I'm not certain if there is a market for any handheld unit that isn't made by Nintendo or Sony, but NVIDIA, who has made a name for themselves with perfecting computer graphics, has just announced the Shield. The Shield is a clamshell contraption with a 5-inch touchscreen with 1280 x 720 resolution. It has a Tegra 4 processor with 72 GPU cores and quad-core CPU cores as … [Read more...] about NVIDIA Shield announced, coming in June