"It's not your typical burger joint" say groupies of this northwest suburbs counter-service mini-chain turning out "inventive" burgers in "a wonderful variety" of options including turkey, ahi tuna and edamame patties, plus loads of topping and sauce choices too; though some deem the offerings "overrated" and "a bit pricey", a Coca-Cola Freestyle machine with some 125 flavor combos is a "cool...