I collect quite an assortment of non gaming goodies. Here is a list off the top of my head of things that I look for:
Jurassic Park- I collect anything JP or JW and so does my daughter. We have hundreds of Dinosaurs and various memorabilia.
Hot Wheels- My son is a big collector of HW and I recently got back into collecting Die-cast cars.
MOTU- I loved Master of the Universe as a kid and it started to pull on my heart strings again. I have around 20 figures and multiple books on the history of MOTU and the comics.
Movies- Blu-ray, DVD, and VHS- We love to watch movies in our house as a family and we tend to collect them.
Whiskey- The wife and I started this collection trying to find other whiskies we would like. We have one or two mixed drinks on the weekends while watching horror movies. This amount will last us years and 80% of the bottles are unopened. Our favorites are: Buffalo Trace, Gentleman Jack, Knob Creek, Wild Turkey 101 and a few Irish varieties.
Green Bay Packers- I love the Packers and enjoy watching them play football. The whole family supports the green and gold and we all have shirts, hats, etc. to support our team. Down below is an older picture of the Packer Hall, so ignore Ty Montgomery and his foolish ways. He has since been removed from the wall but Clay will always have a place.
Coins- I've been collecting coins since I was a child and still have 90% of my collection from then. I occasionally purchase coins and tend to find coins in my other hobby metal detecting.
Ford Mustang- I have a Mustang sitting in the garage and like to buy stuff for it and signs to decorate the garage.