Alright! .NET 3.5 SP1 and VS 2008 SP1 are live and available on the web today. There are lots of places to read about all the great stuff there, but from the perspective of this blog, the two big additions over the Beta of .NET 3.5 SP1 are:
That's just a teaser... I'll describe these in more detail (or link to other resources that do) in upcoming posts.