At last, Sony's other worst-kept secret, the UMD-less PSP Go, is working its way through retail channels this week. The device itself is a marked improvement, but of course that's not the whole story. In many ways antithetical to the hype surrounding the PlayStation 3 Slim, the debut of the Go has been marred by some pretty downtrodden decisions on Sony's part, most notably the $250 price tag, an utter lack of compatibility with any previous PSP accessories, and no UMD conversion program. Will newcomers flock to the system? Will veterans upgrade? Read on for our full impressions!