OK, you can choose from one of the following:
-1GB of Corsair XMX Xtreme Memory
-a bundle including: an Ati Radeon 9800 PRO, 512MB of PC3200 DDR RAM, and a 180GB hard drive
-ATI Radeon x800 PRO video card
-Compaq Presario laptop
The more expensive, the more people you have to refer, but it's worth it.
Just copy the following link into your browser, sign up for one thing, and refer some people.
formatting link