California Grill is great. The food is delicious, you can request a window table so the view is wonderful, and if you plan well, you can see Wishes from the balcony...very romantic.
I don't think you can go wrong w/ O'hanas. We really enjoyed our dinner there and it is now a must have. We're trying Concourse Steakhouse and Coral Reef this year based on some reviews I've read on the dis.