The A-26 will not get used that much when it is added because it will be perked. If not for that, it is pretty far up the list of aircraft that will get used a lot and have not yet been added.
Due to that, I think the G.55, Re2005, P.108, H8K2, J2M, Ki-44, Yak-3, Tu-2, Ju188, Do217, He177, Halifax and Fairey Firefly would certainly be used more often. The others I listed might or might not get used more often.