Make sure to download the highly rated 'Undertow' this week (Wednesday - Sunday, January 27th, 2008) for free!  This is the Xbox LIVE Arcade release that is available to all (silver and gold) Xbox LIVE members to make amends for the Xbox LIVE stability issues that creeped up over the last month.....

Full details [via Gamerscoreblog]:

Recently, Xbox.com posted a letter from Marc Whitten, General Manager of Xbox LIVE, thanking subscribers for their patience with the service. We’ve implemented several improvements to the service, to help ensure ongoing reliability and performance.  As the popularity of Xbox LIVE expands, we’ll continue to closely monitor the service and make adjustments.  As always, if you are having any problems, please contact your local support (1-800-4-MYXBOX in North America) so that we can assist you. 

Marc announced that all Xbox LIVE members (Gold and Silver) around the world would have access to a full Xbox LIVE Arcade game to download free of charge. We’re pleased to announce that beginning next Wednesday, 2:00 a.m. PST through Sunday, 11:59 p.m. PST, Xbox LIVE members worldwide can download the full version of the recent award-winning Xbox LIVE Arcade game, Undertow.

Developed by Chair Entertainment Group, Undertow is one of the highest-rated and best looking games available on Arcade.  Undertow redefines aquatic based shooters through a mix of high-definition graphics, intuitive controls and multiple modes of game play action. The game features a full story driven-single player campaign, on and offline co-op, and multiplayer for 2-16 players over Xbox LIVE for Gold subscribers. Players battle for control of the oceans as one of three selectable races, each with four unique, upgradeable units. "Undertow" is available worldwide (normally 800 Microsoft Points) and is rated E10+.