Of course Bionicle, videogames (particularly FPS and adventure games, favorite of which being Riven: The Sequel to Myst), tech (retro and modern), and programming. Oh, and woodworking, crafts, music, pretty much have some level of interest in a whole slew of things.
Hey, congrats on finding the minisite and getting it on BZP! I've reported on tons of things, but they never seem to get my e-mails for some reason, or they just forget to give me credit.