Like those who posted before me... Depends on timeline that your going for, but there are choices out there... I primarily build out of WWII
I just snagged this off Ebay, from Dragon:
I have this as well, just havn't built it yet... I'm saving it for a upcoming dio idea, from Masterbox:
British troops, also from Masterbox:
Just Googled these, trust me... they're out there.