Microsoft has finally set a date for the new XBOX Live Dashboard! This update will include the new Facebook and Twitter plugins that we saw at E3, as well as the new Netflix viewing experience. Also included in the list is the Avatar Marketplace,  Avatar Awardables, Games on Demand and Last.FM suport!  See pics below for E3 pics of the update:

via [Joystiq] & [Engadget]

Last.FM

Last.FM

Avatar Community

Avatar Community

Facebook Menu

Facebook Menu

Facebook Friends

Facebook Friends

Twitter

Twitter