I know this is a bit outdated and I bet a lot of you already know this but here is a playlist where the guys from Team Twiizers shows how they originally figured out how to reverse engineer the Wii.
EDIT: You may have to click on the 'watch on youtube' button to see the rest of the playlist.
EDIT: You may have to click on the 'watch on youtube' button to see the rest of the playlist.