This past year saw many games come and go, but there were only a few standout gaming devices. The Nintendo DSi made a big splash in our office and your homes alike, while the iPod Touch made its mark on the industry as a legitimate gaming console. The PSP Go also made its debut at this year's E3, and there were too many game-worthy PC and Mac laptops to hit the market to count. So tell me — which is your favorite portable gaming device of 2009?