The first big wave of portable video players have recently hit or are close to hitting the market. Whether these devices will be a market success on the level of the original iPod is completely unclear. Apple, the undisputed audio player king, has made it quite clear that it thinks PVPs are going nowhere. And it's the only major MP3 player maker without one (except Sony, for now).
CNet has a nice article on the big questions surrounding this nascent market: will there be content available, are execs being overly optimistic and "the squint factor":
Another problem is making it work for users on the move--and on a screen the size of a credit card.
"There are two obvious sources of video for these devices--TV shows and movies," said Ross Rubin, an analyst with NPD Techworld. "But I don't see consumers having long sessions with these devices."