1.) unlocked h2v HEK (very unlikley)
2.) upgraded engine
3.) Halo 3 PC (WOOT)
4.) Beta for some upcoming game? (prolly not)
5.) Open source (again highly unlikley)
6.) Custom edition 2 (epic)
7.) Halo 3 reach beta (No.)
8.) Chance to win recon (prolly)
9.) ?????
10.) profit!!!
11.) Cerebrum (whatever the hell it is..)