Actually, let me just give some places that I recommend:
Buffets:
Sam's Town Tunica
Horseshoe Tunica
Gold Strike Tunica
Harrah's Tunica
Aria
Mirage
MGM Grand Detroit
Noodle Bars:
Caesar's AC
Resorts AC (Get the General Tso's)
Fine Dining:
Delmonico's at the Venetian
Binions at the Horseshoe in Tunica or east Chicago
Wheeling Island (the place is a dump but the steakhouse is superb)
Four Queens