Saw this and thought it might be useful if you've taken advantage of all the Tesco cheap points and wanted something different. it was in the Metro and on a website:
To coincide with the hotly anticipated launch of Grand Theft Auto IV this April, zavvi is delighted to announce the launch of a unique GTA IV pre-order offer.
EDIT - Link Updated to direct straight to deal
All gamers who pre-order Grand Theft Auto IV on Xbox 360 with zavvi from 4th April for 2 weeks will not only receive a GTA IV themed limited edition pre-order card, a must-have collectable item for all fans of the GTA franchise, but also an Xbox live 3 month gold membership worth £15 absolutely free. Xbox Live offers gamers down-loadable content such as HD films, music and full Xbox Live Arcade games.
GTA IV, scheduled for release on both Xbox 360 and PlayStation 3 on 29th April 2008, is the hugely anticipated fourth chapter from cult developer Rock Star Games highly successful and critically acclaimed Grand Theft Auto franchise. Set in Liberty City, gamers will experience a new story and fresh missions in high definition.
Customers can pre-order copies of GTA IV at any zavvi store UK wide or by visiting http://www.zavvi.co.uk