Campbell said:Honestly, I'd like more details about noncombat challenges, particularly the social encounter system. Failing that, I'd love to see the class writeup for the Warlord or Fighter, along with some sample Powers. Failing that, I want more information on rituals.
Nope. Recent video interview answer thingie said that it won't be previewed.
http://www.wizards.com/default.asp?x=dnd/4ask/20080201a