For gourmet food (a la Emeril's), I'd recommend Mythos in IOA and Sunset Grill in the Hard Rock Hotel (dinner only).
Delfino Riviera at Portofino is good, but rather old fashioned in its approach, I think. of course, that may be just what you're looking for! Very expensive, too. On a par with Emeril'sÃÂª
Author of "Universal Studios Escape: The Ultimate Guide to the Ultimate Theme Park Adventure"ÃÂ