I have to kind of object to that part in specific; there's plenty of other reasons to be interested in / want to collect weapons in specific than paranoia.
Suggestions for re-phrasing are always welcome in this sort of endeavour.
That said, as far as exotic / collectors handguns go, one of the original style Automags is almost mandatory, for the sheer spacegun looking bit of it.
Oh, yes...

--
Rob Kelk

"Actually, my goal is to write neat stories. The money just makes it possible for me to write them faster and then buy neat toys."
- Ryk E. Spoor, 7 November 2007