I loved Simien at Kansas, but his stock fell a little when he missed the game winner vs. Bucknell in the first round of the NCAA tourney, I think. That was a huge upset. I still love this guy and think he'll turn into an awesome player.
I think it would be wise for the Heat to hold on to Simien and Wright. Like someone mentioned, Zo might retire if they win it all this year and that would mean Doleac and Simien would split his time up. Wright really started showing some flashes at the end of the year and we need to keep him. The Heat are in good shape.
The Heat would be stupid to trade him. The Heat are already old and need to keep their youngsters more than anything. I see Wayne becoming a bigger/better version of Kurt Thomas (a solid body pf/(small)c who can rebound and shoot the mid-range shot well). Dorrell will be getting more time next year as has been mentioned. As a Heat fan, I hope they don't get rid of the few young players we have on the roster.