I've been going to Burger Factory every year since they opened in 2012, and it's always been awesome. The staff is great and friendly, and I always go with whatever Abdul recommends, and it generally hits the spot right on. I do think they can increase their drinks menu, but my guess is they are sticking to what they do best, and that's pretty good.
I recommend their Pork Double Cheddar Bacon BBQ with chillies. Absolute favourite.