For quite some time now, Domino's Pizza has been offering a 2-topping medium size pizza for just $5.99. It's a good deal, but I think they are being a little too stingy with the toppings. I don't eat too much fast food anymore, but from time to time, I'll grab a meal from a restaurant if they are having a promotion or discounted prices.
Domino's is one of the only pizza places that I will place a delivery order with every now and then. It may not be the best pizza in the world, but it's good enough, and if you do an online order a few times a month, you can earn points to get a free pizza. They usually give you 10 points each time you order a pizza online, and when you reach 60 points, you get a free medium 2-topping pizza.