Rock Your Party Play & Win Sweepstakes

From Xbox.com :

Grab your axe and get ready to rock and roll all weekend long with the Guitar Hero III: Legends of Rock “Rock Your Party” Play & Win Sweepstakes. Just register your gamertag before midnight ET on February 3, and then play in an online multiplayer match between 12:01 A.M. (ET) on February 1, 2008, and 11:59 P.M. (ET) on February 3, 2008 to enter. You’ll score a new sweepstakes entry for every hour you play during the weekend.

The grand prize package includes :

• Xbox 360 Elite system (includes black Xbox 360 Elite console, Xbox 360 Black wireless controller, Xbox 360 Black headset, 120GB hard drive, and HDMI cable)
• LG 50-inch 1080p Flat-Panel Plasma Television
• BoomChair (Wi-FX Wireless Gaming Chair)
• 4000 Microsoft Points

Almost 1,000 other prizes will be given out as well.

Read the complete article.
Register for this challenge.