LOL
I also build/collect TV/Movie prop replicas. I *kind of* know this guy on a couple other forums I post on.
His GB pack is really cool though, I'm the type that would rather build than buy one- but there are a lot of really high roller collectors of that stuff. It's not uncommon to see people drop tens of thousands of dollars on original stuff used in movies.
Be fun to wear that on Halloween.

There's are all kinds of BYO prop replica websites, Ghostbusters, Star Wars/Trek, you name it.