I think it's official: enough people are reporting it, enough players involved are tweeting it. Woj first reported the rumors early Thursday, and Marc Stein later had the official principals:
Lakers: Dwight Howard, Chris Duhon, Earl Clark
Nuggets: Andre Iguodala
76ers: Andrew Bynum, Jason Richardson
Magic: Arron Afflalo, Al Harrington, Nikola Vucevic, Moe Harkless (plus 3 -or potentially more- first round picks)
For the latest added news and reactions, check out the SBNation Storystream. It's kind of what its made for.
Before coming up with any ways the Bulls could've gotten involved or whether they may get involved with some tradees that their new teams may not especially like, the Bulls can't take back more than around $700k in a trade. So, that's tough.