Mixed reviews from my husband and I:

His comments: 
* Salad was good - we had the spinach & Gorgonzola salad. 
* Pizza was really good, but too expensive. Plus, it was the thinner type so you wouldn't expect to pay that much.
* Wait staff - not good. 
* Ambiance - pretty nice. Has a NY type of feeling.
* Too pricey to go back

My comments: 
* Salad had too much dressing. It was dripping with the balsamic stuff. I don't like soppy lettuce.
* Pizza was just ok. It was served to us fairly quickly considering that the place was packed. However, it was not hot. Plus, we had to wave our server down to ask her to heat it up. She didn't seem very happy with us and did not offer an apology for the cold pie. After all, this place is called Humble Pie. 
* Wait staff - Not good. Not very forthcoming with the menu and only seemed to be interested in getting the ordering over with.
* The staff should be humble enough to ask the customer if everything is ok after the food is served. That never happened. Even when she brought over the check we got nothing. 
* Ambiance - too loud and dark! Tables and chairs are packed tight in this place so plan to share your space with others not in your party. 
* Definitely not going back. 

We paid $34 plus tip for a small Cesar salad, pizza with three toppings, soft drink and glass of wine. Too much money for some Si's food.