Well other than more than a few anime (I got all of FMA: brotherhood for Christmas) and the realization that I held onto my GBA:SP when i moved to another country just so I wouldn't lose my ability to play the few Game boy colour games I had left....well mainly pokemon gold more than anything else. I'm also a crafty geek and have made a ton of geeky things as of late.
Lets see amigurumi moogles, golden snitch, pikachu, Charmander, a coke bear, Jogurt from shining force, the red angry bird and several MTG card boxes.
I don't still have it any more but when I was 12 or 13 I made my own pattern up for a gameboy storage train for the original brick gameboy. the system was in the cab of the engine and the cords were tucked in the front part and the cars held games and accessories. it was awesome but I have no idea what happened to it.....maybe my parents still have it if they do that would defiantly be the geekiest thing I own just because.