I'm mostly on the lookout for cool older guns:
1903 Pocket Hammerless (probably a .32)
Webley MkVI .455
Baby Browning .25
FN 1900 and 1910
French 1873 Ordnance Revolver
As newer stuff goes, maybe a Mateba or a Coonan.
"A human being is primarily a bag for putting food into; the other functions and faculties may be more godlike, but in point of time they come afterwards."