I believe what Bo is saying is that you get what you pay for. I don't know if this is still the case since it's been nearly 6 years since I have done any work with POSiTouch, but it used to be that when you purchased their software, you pretty much got almost all of the add-ons included with it at no extra charge (i.e. the ability to do delivery, inventory, and any other add-ons). When I started to work with Aloha, I was suprised to learn that they charged extra for most of their modules (delivery, gift card, etc). At first, I thought this was a little weak, and would probably turn some customers off. Why pay extra for something I can get for free with someone else? Well, in a word, the answer is "quality". I quickly learned that MOST (not all), of Aloha's modules were intuitive, robustly featured, and fairly stable. Many of the modules I had seen with POSiTouch looked like they were thrown together for the mere purpose of being able to say the software could do it. However, as I said, this was a few years ago.
I think you'd probably find either one of the systems adequate, but I can vouch well enough for the ALoha system. I remember it being not-so-easy to set up from a technical perpsective, but post installation, I think the only customer in our area that had it, was happy with it. As a side note, I have always felt that being one of the larger and more expensive POS developers, most "pizza joints" aren't looking to shell out big bucks for an Aloha system. Bo only mentioned 2 customers having it, and I only knew of one in our area... and this was really a restaurant with Table Service that had a carry-out section. So, depending on the size and nature of your business, that me also be something to think about.