Definitely check out Hoffers. Went their with my family while my brother was touring Marquette college, and it was fantastic. Turtle and croc' pits in the middle of the sales floor, 16 or so half moon show tanks along with lots and lots of fish.
"My next hobby is going to be tearing up $100 bills while simultaneously banging my head against a wall and flooding my basement."
"Ask not what the hobby can do for you, but what you can do the the hobby" - ScapeFu