I think it's really interesting if we somehow can get Butler. He is in a different league than Crowder, Bradley etc..
Getting Butler will not give us a chance against a healthy Cavs team, but on the other hand we would have a chance if they are missing one of their centerpieces, but even more important it will give us a chance of getting to the eastern conference finals, which I believe will be great. We can be happy with less than winning the title, so the argument that Golden State and Cavs will be dominant won't avoid me from thinking that we should give it a shot and compete as well as possible.
My trade would be:
To Boston: Butler
To 76'ers: Crowder and Rozier
To Chicago: Amir and Okafor
I think we will need to give up a first(hopefully not Nets pick) and a few second round picks to Chicago
http://www.espn.com/nba/tradeMachine?tradeId=gkvgafb Why would we do it? The answer is simple: getting a major upgrade on SF
Why would 76'ers do it? They will get Crowder as a great dressing room guy and a good player. They need talent on the guard position too, so it's a good trade for them.
Why would Chicago do it? The probably can't hold on to Butler forever, and getting Okafor they will get the talented big man they want. By getting Amirs expiring and picks will also put them in a great position if they want to trade for other stars or free agents. I also think that Bulls might blow it all up if they get into a loosing streak, as they may realise that this is the last chance for Wade.