Console Monster writes: "The long awaited Fallout 3 content is now available to download from the Xbox Live Marketplace including some free Bruce Spingsteen tracks for Guitar Hero: World Tour and there"s also some Rock Band content. Here is the full Xbox Live Marketplace update for Tuesday 27th January 2009:

Fallout 3: Operation: Anchorage
Price: 800 Microsoft Points
Availability: All Xbox Live Regions except Japan
Size: 369 MB
Description: Enter the simulation pod and embark on one of the greatest military campaigns of the Fallout universe – the liberation of Anchorage, Alaska from its Chinese Communist invaders. Experience harrowing winter combat using Fallout 3"s patented V.A.T.S. targeting system, and employ powerful new equipment like the Gauss Rifle, Chinese Stealth Armor, Winterized T-51b Power Armor, and more. Enlist today, soldier! There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

Guitar Hero World Tour: Bruce Springsteen Track Pack
Price: Free (Gold Exclusive Offer) (Free until 5th February)
Availability: All Xbox Live Regions
Size: 80 MB
Description: Downloadable Track Pack for Guitar Hero World Tour featuring "Born to Run" and "My Lucky Day" by Bruce Springsteen. Please Note: Many songs are available both as singles and as part of a Track Pack, so please carefully consider your purchases before downloading. For all song credits please visit www.guitarhero.com. There are no refunds for this item. For more information, see www.xbox.com/live/accounts..."