I'd definitely like to see the SB2C, but I'd even more desire these:
Yak 1 (For Eastern Front)
D4Y (Most-produced Japanese dive bomber, taking over for early-war D3A)
B6N (Most-produced Japanese torpedo bomber, taking over for the early-war B5N)
Pe-2 (Most-produced Soviet attack plane other than Il-2, for Eastern Front)
TBD (not as highly produced as TBM, but important for Battle of Coral Sea)
Other ones that were on my desired list for special events have already been added (Thanks, HTC!

):
B-25
P-39
He 111
Ki-43
Betty
And the Yak-7B is a nice addition.