1939-1945 was the first up-scaled one. All sets after that are and will be the larger size. (So right now that includes North Africa and the upcoming Eastern Front set)
Tips on making large mini's game faster
Any tips on how to make a large (4 + people) land mini’s game move along faster?
Use a lot of the same units. Whenever I play, I give one player like 10 shermans if he is the us. or 10 panzer IVs if he is germany. It helps because you have less cards to look at for the movements and attacks. If you cut out air, that shortens it too.