New features
Adobe Blog: Lightroom Journal
Profile Editor and the beta versions of Camera profiles, introducing the concept of color profiles for DNG/RAW files is certainly something altogether new to me, and I guess, to many.
Adobe Labs: DNG_Profiles
Adobe Labs: DNG_Profiles Editor
More…
http://www.computer-darkroom.com/lr2_review/lr2-review-1.htm
http://creativesuitepodcast.com/
http://www.lightroomkillertips.com/
http://www.photoshopuser.com/lightroom2/
http://lightroom-news.com/
listen in iTunes