probably a better choice to go with the PS2..
although the PSP is more expensive, there's a lot wider choice of games on the PS2, unless you're the kind of guy who plays games once a month or so.
matrix infinity: on and off 6 times
external speakers /w leading wire: done
memory card LED (activity + connectivity): done
controller status LED change + vibration LED: done
color-change lighting in v12: done
rgb to vga for monitors: FAILED due to not enough material
portable/internal LCD: sadly failed, as ps1 screen doesnt fit. planning same mod with intec screen
external harddisk for v12: CANCELED due to v12 breakdown
window for ps2 dvd-drive mod: in progress