Basic dining plan is $37.99 per adult, covers 1 TS, 1 CS and a snack per night of your stay.
Appetizers (for adults) and tips at TS restaurants are no longer included.
Deluxe plan (didn't exist until 2008) is $69.99 per adult, covers 3 TS or CS meals (your choice, deluxe credits can be used for either) and 2 snacks per night of your stay. Appetizers included, but not tips. And you get a refillable mug at your resort.