Cool Robots. Those are in essence what I collect. I don't discriminate between Transformers, Chogokin, Gundam, Sentai or for that matter anything that really looks cool.
I've been collecting Transformers since the 80's. While I loved Robotech, back in the day, Macross has surpassed this by tenfold. Havne't been able to quite start collecting Macross yet, but soon enough...
I've started with an old TF recovered in a box arround 1999 and then I own more than 200 pieces of different type,brand and size. A little weakness for diecast vintage of course.
I've also some Star Wars vintage : http://www.collection-starwars.com/collection-Mastermind
I´m Italian (so I like robots).
I lost all my childhood toys (lots of transformers, popy, godaikin ) when I moved out of my parents place back 10 years ago...(or I would be rich now).
After so long I recently slowly started collecting some mechas here and there. I like real robots, mostly - Gundams, Votoms, Macross. I also like the old Super Robots and at times collect the occasional SOC.
I´m by no means a "pro" of collecting, I only have a few pieces and none of extreme value, still I hope my kids will be proud of daddy when they get older :)
I make podcasts.