An 1979 Atari 8-bit system re-released in a tiny form factor? Yep. Retro Games Ltd. is releasing a "half-sized" version of its very first home computer, the Atari 400, "emulating the whole 8-bit Atari range, including the 400/800, XL and XE series, and the 5200 home console. ("In 1979 Atari br...