Microsoft's hefty new Xbox Live dashboard update has begun rolling out in waves, bringing a whole host of updates, improvements and new features to the Xbox 360.

An assortment of titles can now be bought from 'Games on Demand' at so-so prices, the Avatar Marketplace will be selling avatar clothing and props from August 13, and Netflix picks up improvements including watching with friends in 'Party Watch' mode.

The full list of changes details a smattering of smaller improvements such as ratings on all Marketplace items, various ways to sort the friends list, and achievement tracking.

The update will spread across the globe over the next few hours. Once it's available in their region, Live users will be prompted to download it when they next sign in.

Some titles in the Xbox Live "Games on Demand" service were priced today, providing an idea of what to expect from the 360 digital distribution program.

The store, intended to sell digital versions of older Xbox 360 games, launches on August 11 with a cadre of 21 launch titles. Manuals for the digital games will be available by way of the Xbox Live Marketplace site.

Those already stickered with prices follow:

1. Assassin's Creed - $29.99
2. BioShock - $29.99
3. Call of Duty 2 - $29.99... Read more