Originally Posted by ElmhurstNick
http://www.bobak.com
They claim to have "over 100 different sausage and deli meat specialities." I like their Maxwell Street variation the best, but it's probably less authentic than some of their others.
Even though I have Polish roots, I couldn't tell you what's authentic Polish sausage or not.
That said, I really enjoy Bobak's -- really feels like I'm in a European grocery store, even though I'm in Chicago suburbia.