"@EarlyWarGamer: The Sdkfz.139 is more early war than anything else, but when you say "Early War", are you only interested in the war years before December 7th, 1941?"
No sir, not quite. Early war for me entails the more interesting (to me) early weapons, and a polyglot of nations, introduced roughly:
Sep 1939 = Germany, Poland, Russia
Nov 1939 = Finland
Apr 1940 = Denmark, Norway, Britain
May 1940 = Belgium, France, Britain
Sep 1940 = Italy (Africa),
Oct 1940 = Italy (Greece)
May 1941 = Handful of Nations (Crete)
Mar 1941 = Germany (Africa)
June 1941 = Germany, Russia, Finland
That is basically 10 major players, with all sorts of scenario options.
My mental image is that the early war period probably ends by mid-summer of 1942 (probably before Dieppe, but maybe not). By that point Germany has made it through the first Russian winter. Mid-war takes over from that point, and includes up to but not including Overlord. Late war for me is anything from June 1944 until the end.
I don't mean to be Euro-centric, but I am pretty much the guy who buys and paints the minis, and I cannot afford to get into island hopping in the Pacific. But Wake, Guadalcanal and Tarawa would be my go-to battles were I ever to branch out.
I have nothing against the deluxe armor from later years, and understand the attraction, but just find it more interesting gaming where armor is not all about "Big Cats", and has maybe a 50/50 chance of having rivets!