ASR, Star Trek and other SF:
alt.starfleet.rpg - the play-by-email roleplaying universe
Silver Fleet - home of the USS Andromeda
Ex Astris Scientia
Daystrom Institute Technical Library
Spacebattles.com
Starship Modeler

Personal interests:
First photos of our little daughter
Airshow at Kymi Airfield back in 2001
Icebreakers, the Finnish Virtual Pilot Squadron
- Check out esp. the History Section
RPG Library
- invaluable online resource for roleplayers

Web comics:
Freefall
Dork Tower
Nodwick
Blue Crash Kit

And one not for kids:
Jack