They all solo pretty well, but I've found the minstrel to be seriously op once you get warspeech. I believe wardens can be amazing too, but I can't be arsed remembering combinations 
Edit - mind you, if you're a minnie that solos his way to the top in warspeech mode, you're going to get shouted at a lot once you have to start healing in instances and raids

Edit - mind you, if you're a minnie that solos his way to the top in warspeech mode, you're going to get shouted at a lot once you have to start healing in instances and raids
