Kristof has updated the PSP a port of Vice the Commodore 64 emulator, heres whats new:
Center Screen
Display keyboard and menu improved
Quick Save/load of snapshots (L1/R1)
Virtual keyboard on triangle button.
Square and Circle emulate "space" and "enter" key
Thanks to ditto on EFNET #pspemu for the news.
Download here --> http://psp-news.dcemu.co.uk/pspvice.shtml