I have been trying to get my targus keyboard working on my psp turns out old pikey 0.3 psp keyboard driver will not start on 4gb memory sticks cause there fat32 file system fat16 works fine 2gb or under I spent hours of my time cause of this but its working now but only with my 512mb memory card and 2gb card relly cool I can IM yahoo msn ico aol and more finaly don’t have to press million buttens to put a url in the web browser of the psp also have psp pda phone numbers address book mp3 player work well entering addresses or typeing ect sweet and to think sony could have come out with the keyboard and pda apps IM umds and sold them made $$ off them there loss