Well, we do have regular AMKE meetings - but mostly it's con business right now. See us AFTER the con, however...
Anyway, for comics and collectibles, there's Collector's Edge and my favorite - Lost World of Wonders.
For tabletop gaming stuff, there's the Boardgame Barrister.
Places to see movies, aside from the big mainstream multiplex places, I'd check out the Times (vintage and cult movies along with new releases), the Oriental and Downer theaters - they'll play independent stuff, foreign and occasional anime and film festivals. These places will also frequently have midnight showings and special events.
My favorite bars include Dog's Bollocks (British pub with a TARDIS inside and awesome beer) and Von Trier (German style hunting lodge tavern with equally awesome beer). Both are on the east side not far from eachother.
Summerfest is an entire week down by the lake towards the end of June into early July. There is a MILLION acts to see. Weird Al was there last year, new acts and lots of older stuff (Cheap Trick is there, like, every year). Before and after Summerfest in the same area are all the ethnic fests that go throughout the entire summer.
As far as other concerts go, you can check out the Rave, Turner Hall and several other places - if you pick up a copy of the Onion or Shepherd Express (located about everywhere near the entrance or exit of most places) you can get lists of upcoming shows.
Um, that's about it for now. There's plenty of stuff to do around here!
A mind is like a parachute. It doesn't work if it's not open.