You can buy Firefly and season 1 episodes of Buffy the Vampire Slayer from the iTunes music store now. The big advantages of buying them from Apple iTunes is that they play on your iPod and your computer(s) - be they Macintosh or MS-Windows PCs. Even though Fox said not to expect them to be selling any shows any time soon at the iTunes store, now they are. Not just these shows but a bunch of other shows as well. Digg the article for more information. At this point, it seems like pretty much all of the networks are selling episodes+seasons of some of their hottest TV shows on iTunes.