Chicago Brewing Company in the Four Queens Casino is like an express version of the Fort Apache location - seat yourself and pay at the front on your way out. That said, they still take your order and deliver your food tableside. It's quick, high-quality and reasonably priced for being in a downtown casino. The 22oz drafts are $5. My favorite brew is the Ramblin' Wreck which is a cross between a Smithwicks and a Guiness. The large pizza is crisp, tastey, plenty for two people and starts is about $16 for a cheese version. This location doesn't have a happy hour. They have lots of TVs so you can catch your favorite game. The place is kind of small so you'll have difficulties with groups larger than about 6 people.
The only place better for pizza downtown is the Grotto in Golden Nugget. You will pay more at the Grotto unless you go during the weekday happy hour.