Be careful - making replica props can become addictive!
I don't make the full packs for anyone but myself - I am still just learning about all of the incredible building and construction process, but have built a lot of electronics that go into other enthusiasts' packs.
A couple of great sites for related items:
www.mattycolletor.com for Mattel made items for adults (I think), They have offered PKE Meters, a Ghost Trap and also Ecto Goggles with video animations you see through the lens - a Head-Up-Display?!
www.gbfans.com for a community of Ghostbuster enthusiasts that offers lots of info, technical support and a wide array of items that can be purchased or comissioned to build.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.