We are not expensive eaters and do not need fancy restaurants, but we are big eaters. So our faves are:
Golden Corral (love the buffets!)
Olive Garden (my sis loves this place, and I love their salad and breadsticks!)
Fuddruckers (none here in NY, so we always hit it up in FL)
Cici's (not a necessity, but cheap and easy pizza buffet)
Checkers (my parents' fave!!)
Denny's (my sis's fave; also can get bfast, lunch, and dinner all at the same time, so it accommodates everyone)
Just be sure to pick up the coupon books and use them!!!