Stained glass is something I've really been considering getting into lately. My mother used to do it when I was young and it seems fairly relaxing. As with most crafts though, it can get a little expensive quick.
That way you aren't stuck with specialty tools if you don't like it. Also stay away from nicer glass. Don't get kokomo glass if you don't need/want it. I always just see what's in the scrap bin and then design based from what's in there.