I've been ordering from Abruzzo's off and on for several years now. I've sampled their menu narrowly, moving through a variety of pizzas and their deliciously fatty sandwich menu.
I've never dined in, so my experience is limited to take outs and pick ups. First of all, this is not a full restaurant experience. They do have waiters but one of the additional reasons why I've never ventured in for a dine in experience is because, frankly it's not much at all to look at and I think even Pizza Hut provides better ambiance, sadly.
The food is pretty awesome. The sandwiches, while stuffed silly with mayo are a hot and deliciously addictive experience if you're looking for a guilty lunch. Just don't accuse me of plotting to fatten you up.
The pizza is something else entirely. Though I wasn't a fan when I first tried it, Abruzzo pizza has grown on me. The sauce is on the very salty side, making it difficult to resist a second and third slice. The crust tends to be thin unless customized and the toppings are thinly sliced but generously dolled out.
If you're planning a trip to Abruzzo be prepared to face a crowd at any given moment of the day. If you live in the area you're much better off ordering for delivery. I'm pretty sure they have ten delivery drivers on hand 24/7.