Rockstar Games have announced via the Social Club a new giveaway with some awesome prizes. As part of the Xbox Live Weekend, you could win a home entertainment system valued at $6,100. Additionally, one one runner-up will receive a GTA IV-branded Xbox 360 Elite and a whole bunch of other GTA IV merchandise.
The contest is only open to US and Canadian residents aged 18 and older. To enter, all you have to do is simply login to your Social Club account from September 19, 2008 until the end of the LIVE Weekend on September 28, 2008.
Full terms and conditions can be found here