http://www.asp.net/whidbey/ is live
http://www.asp.net/whidbey/ now has a lot of whitepapers and screen-shots of ASP.NET and Visual Studio Whidbey.
This article in particular has a lot of great content and screenshots about visual studio (including screenshots of new beta1 functionality that you can't see with today's bits): http://www.asp.net/whidbey/whitepapers/VSWhidbeyOverview.aspx?tabindex=0&tabid=1
Enjoy...
P.S. We'll be posting updated content on Whidbey throughout the week as the PDC continues.