Its a perfectly good restaurant. Been there a couple of times (the house isn't that far from the Windmill location) But they take a hamburger which is a wonderful thing by itself and then try to fuss it up with stuff.

Here is the menu...
http://bburger.tek-point.com/wp-content/uploads/2014/03/Windmill-Menu-June-20121.pdf

There are some great burger places in LV these days, its the going thing. Burger Bar at Mandalay, Holsteins at Cosmo, Gordon Ramsay at PH and others and Red Robin...