Ohana is a definite must do for our family. On our first Christmas trip, we loved it so much, we made ADRs for the last two nights we were there!
Also, we've gone to Tepan Edo every single trip so far. Its a bit of a family tradition!
Mama Melrose used to be a must do, but we were so impressed with Tony's on our last trip, that I think it's replaced MM as our favorite italian restaraunt.