Don't forget, this weekend is Xbox Live Fire Weekend commemorating the release of Call Of Duty 4 with a 72-hour fragfest in true XBL fashion with giveaways, gaming against developers, free marketplace goodies and more!! Here's Xbox.com for the scoop:

"Weekend of Competition

Get ready for some wild multiplayer action as we celebrate the release of Call of Duty 4: Modern Warfare with a LIVE Fire Weekend. We've got a 72-hour Play & Win Sweepstakes, a chance to play against the game developers, the PMS clan gets in on the action, plus we'll have exclusive themes, gamer pics, and game trailers available from Xbox LIVE Marketplace.


Play & Win Sweepstakes

Register your gamertag now and get ready for a whole weekend of fun and competition! From 12:01 A.M. (ET) on Friday, November 16 until 11:59 P.M. (ET) on November 18, you'll get an entry into the sweepstakes every hour when you play a multiplayer Call of Duty 4 session on Xbox LIVE.

We've got a whopping 72 prizes to give away (one for each hour), so you've got plenty of chances to win. The Grand Prize package includes an Xbox 360 Elite console, VIP Accessories kit, Call of Duty 4 merchandise, and lots more!

You must register for your chance to win!
Register your gamertag before the end of the promotion on November 18. Check out the Play & Win rules for full details on the sweepstakes, including more info on how to register and participate, as well as detailed prize information.

NO PURCHASE NECESSARY. Open only to legal residents of the 50 United States (includes the District of Columbia) 18+). Game ends November 18, 2007. For details including free, alternate method of entry, see the Official Rules.


Play the Developers

To kick off the Live Fire Weekend, here's your chance to play against the development team from Infinity Ward. They'll be online between 6 P.M. and 9 P.M. (ET) on Friday, November 16.

Chat with the team and learn helpful strategies and tips for playing Call of Duty 4. To take on the devs at their own game, be on the lookout for these gamertags:

fourzerotwo: Robert - Community Relations Manager
COD4LeadArt: Joel - Lead Character Artist
COD4CharArt: Oscar - Character Artist
COD4SPlayDes: Chad - Single Player Designer
COD4Video: Drew - IT / Video Guy
COD4Prog: Jon - Programmer
COD4Art1: Ryan - Artist
COD4MPLevDes: Alex - MP Level Designer
COD4SPLevDes: Jon - SP Level Designer
COD4SPDes: Roger - SP Designer
COD4QA1: Ed - Lead Quality Assurance
COD4QA2: Justin - Lead Quality Assurance
COD4MultiDes: Geoffry - Multiplayer Designer
COD4Art2: Brad - Artist


Play the PMS Clan

The PMS Clan is a group of all-female gamers that specializes in first-person shooters, and they'll be joining the festivities on Sunday, November 18 from 7 P.M. to 9 P.M. ET (4 P.M. to 6 P.M. PT). Check back for the gamertags to look for, and you could have a chance to battle these legendary gamer girls.

Battlebug
JeepChick
Lady PMS
Athena Twin PMS
PMS Ayane Chan
PMS DejaVu
PMS Fedaykin
PMS Kitana
PMS Sakura Chan
PMS MRSMOOSE
PMS Kitty


Exclusive Marketplace Content

Throughout the LIVE Fire weekend, grab exclusive gamerpics, theme, and trailers on Marketplace for a limited time. One of the trailers includes a game level walk-through that you don't want to miss."

For full event information, and to register your gamertag for the chance to win, click here!