Skiing (the kind with the really cold, white water)

Ping pong, er, umm, I mean table tennis -- I've taken up this sport with earnest now that my "office" building has a table.

General computer geekery

I've wanted to get a pilot's license for a very long time. I live less than two miles from a small regional airport, too. Maybe I should sit down and figure out exactly how much of an expense it would be, because I've been operating under the assumption that the cost would be prohibitive at this point in my life.