Amazon's Kindle—the little device that most thought, well, couldn't—is turning into a sleeper hit, with sales estimated between 189,000 (conservatively) and 600,000 (according to supply-side rumors) over its first six months. So how do those numbers compare to first-year sales of tech's biggest all-time hits? As Silicon Alley's chart attests, it's no Razr, but the reader bests the BlackBerry and, by more liberal counts, keeps pace with the iPod and the Palm Pilot. And next month, another upstart is poised to join their ranks: the new 3G iPhone.

[Silicon Alley Insider via Gizmodo]