Microsoft has published another team blog, this time for the data team, those are the gurus bhind SQL server and so, not the data access (who already have their own blog). Check the data team blog. (introduction)
Als, Channel9 has started a new series of videos about upcoming data access technologies at Microsoft.
The frst episode is on the general vision behind the new technologies. It's a combination of various talks regarding O/R problems and solutions, and a demo for DLINQ. You can check it, read about the same concepts in a related blog post in MS Data Access Team Blog, or check further related links in that other post.
Have fun!