Beautiful!
I'll take an M3 and M10...
For WW II in 1/16:
While Not technically Obscure, definantly Not mainstream, I'd buy a Bren Gun Carrier...
Cold War/Modern in 1/16:
I would Snap Up a Pair of M60A3's.
i would also take a T 64/72/80...
Just Sayin'
-gus