Ok this is something I came across and will be testing out. If you visit the website below it has instructions and downloads related to using your psp as a monitor for your pc. Now keep in mind this is supported only for us XP users. [sorry vista lovers] And also not supported on x64. So if you are running on Windows XP x86 and have either a psp or psp “phat” with a custom firmware then check it out.
here is a video of it in action