So I am looking for a tutorial on how paint the case of my 360. Does anyone have any suggestions?

take it apart (http://www.anandtech.com/systems/showdoc.aspx?i=2610&p=2)

paint it (http://www.tomshardware.com/forum/204680-28-painting-xbox)

put it back together.

Here is another good tutorial on painting the 360:

http://forums.xbox-scene.com/index.php?showtopic=465380