PlayStation Portable aficionados have produced a video file that reportedly "unsticks" dead pixels in 60 per cent of cases. Available from PSP-Vault, the video apparently works by flashing red, green and blue repeatedly. Although we've been unable to verify this ourselves (your correspondent's PSP only has under-the-screen dust specs, sadly, rather than dead pixels), there are plenty of reports that it does work.
View: PSP-Vault Video
News source: Eurogamer.net