Junior moderator right there... :roll:
I really haven't followed the homebrew issue for a while now, but IIRC there are only certain ones that are able to be unlocked / whatever it's called. Something about if you can see a serial number when you open the disc drive. I'd assume that any new PSP is going to be one of the ones that is unable to be unlocked or more difficult to. I'd google for some PSP hacking sites, as there are a plenty.