Comparing Dibellas to other sub shops would be like comparing a delicious Prime Rib to Rump Roast...
There's a full list of subs, but the true Dibellas fans know there are only 2 main subs on that menu..The Godfather (Italian) and Cheesesteak.
I would recommend the oil and spicy mustard (all homemade) along with peppers (hot, banana, and mild) and onions which can be tossed on the grill. Also try the everything bread which is absolutely fantastic.
Not many bad things to say about Dibellas. Sometimes the wait can be long during the lunch and dinner rush but it's a small price to pay for delicious fresh subs.