Have Sony got a problem on their hands with the PSP launch? Unconfirmed reports suggest that dead pixels, stuck buttons and other faults have blighted the handheld's launch. Despite this the launch seems to have gone well, with CNN reporting a sell out. One of the more comprehensive reviews around can be found here. Finally, those of you lucky enough to have your hands on a PSP will want to download the latest movie software that allows users to run MP4 files on their handheld.