For me its:
1. Photography: 135mm format, film, to include doing the developing and printing myself, and teaching youth
2. working with the Boy Scouts: Asst. Scoutmaster, 2 BSA National Jamboree Staff(2001,2005), summer camp, counselor, Project COPE, Climbing, Shooting Sports Director
3. Computers and Networking
4. PC Games: mainly wargaming
5. Modeling with my son and daughter
6. Stamps
There's a few more but, why bore everyone with everthing #:-)