Absolutely the best burger in metro Detroit. Shaped by hand, char grilled, juicy, substantial. The toppings are great, too - get it with the works - cheese, slice of sweet onion, shredded lettuce, mayo, pepperoncini.
Shamrock has one of the best burgers in Metro-Detroit and a great selection of draft beers. The inside is basically a bar with some high tables scattered around but they also have a patio for those warm nights. The prices are very reasonable too.