IFF has better food than Mels, Monsters or Louies (at least the last time we ate there) and most likely suffers from its appearence more than anything.
I actually thought the pizza at Louie's was pretty good, though the salad could have used some help. The shakes at Mels are good. IFF definitely suffers from its appearance. I skip it almost entirely because of its appearance every time I consider eating there. The menu is actually ok, but I just can't get past thinking that it looks like a bigger version of my old school cafeteria, and it really puts me off. I think the color scheme is a big part of that. A simple repaint would probably do wonders, though I definitely am not against a complete gut/tear-down and rebuild.