The menus are definitely limited at DLR compared to WDW. That being said, we just got back from a week at WDW where we did all the parks for the first time. We had constantly heard about how amazing the food is but to be honest I found almost all the restaurants to be mediocre at best. BOG was a standout for being very good and Gasparilla was a standout for being so bad as to make us throw it out instead of eating. I agree with
@LKing that the quick service at DLR is much better than WDW.
If you want good table service at DLR, you should always hit up Blue Bayou. What it lacks in food quality it makes up tenfold in ambiance. Carthay is definitely good but I personally didn't find my meal to be amazing. I also didn't like how slobby everyone seems to dress when going there. Maybe it's being in the south, but I definitely appreciated how people seemed to dress up a little to go to the nicer table service restaurants in WDW.