I have done both deluxe dining, club level several times, (the last club level stay Jan. 11 at the Poly), and regular dining. If I had to choose, I would choose deluxe dining. While club level is always a great way to stay, IMO, it does not substitute for a dining plan. To me, it is an added bonus. There are a lot of great restaurants to try and with deluxe you can have a signature every day if you wanted plus another sit down meal. Also, you can enjoy appetizers and dessert!
If club level was in the budget, I would do both but if not, just stock some snacks/drinks in your room and go with deluxe.