So, went here on a busy Saturday night. Took about 30 minutes to get a table, but that's pretty expected with a place this small and popular.
The burgers are what everybody seems to rave about, so that's what I ordered. I ordered the "Fire Burger" (I think that's what it was called). It's a decent size burger patty (probably like 1/3 lb or so) topped with roasted jalepenos, red peppers, and finished with some jalepeno/habenero cheese. The waiter warned me that "if you're worried about it being too spicy, it is."
Well, it only took about 10-15 minutes for the burger to arrive, which is pretty decent considering how busy it was.
I'm giving the place 2 stars for a few reasons: the "Fire" burger was probably around a 2 or 3 out of 10 on (my) spicy scale. The burger, although properly cooked and juicy (a nice medium-well), lacked seasoning and resultingly flavor. Between a lack of spiciness and lack of spices, the burger was pretty bland. Add to that some undercooked and unseasoned fries to have a whole plate of bland.
For burgers that cost around $9, I would expect a lot more. I can't say its worth the wait and I definitely have no desire to go back.