Well since it will take quite a while to produce most of the information will be outdated so take anything new that comes up now.

For one you might include the new homebrew availabe with the 2.0 eboot loader from fanjita (now in includes SNESx9) as well as how to make your own Socom headset. The GPS built into the PSP and how to avoid upgrading for new games like Lord of the Rings and Harry Potter that would freeze after the first few levels.