Geek Stuff 4 U has these new Astro Boy themed protective cover cases for iPhone 3G/3GS. Very interesting graphic style for the artwork. There's a black one and a white one. They're expensive but they're limited editions so if you want one, don't delay!
This site is dedicated to everything Astro Boy, the works of Osamu Tezuka, and other related anime & manga. Whether you're an old-school fan, a newcomer, or anything in between, AstroBoy World is bound to offer something interesting for you.