Polker's Gourmet Burgers......
haven't been there in quite a while but did visit several times when it was a new concept.
i've only eaten the turkey burgers there if i recall correctly. they do a good squishy bun and have dozens of topping options, but the meat is definately not the most delicious around.
it's passible if you're in the hood and hungry, but there are Many much better burger places in the city.