how "MMOy" do you want it.
Vindictus is semi MMO mets hack and slash.
if you liked UO but wanted it to be cooler, angel island UO shard is nice. Adam Ant (one of original UO developers) runs it. and he has made a ton of improvements / changes.
There are a bunch from makers of twelve sky, forget the name, all are cash shops and most of the cash items to give you a big boost, or the game gets to the point where you really can't level / survive without cash shops, but that seems to be the main focus of cash shop MMO's anyways.