Apers idea was the best LOL!! I'd take the EarlyBird plan..
10Bears
How about different price plans depends on planes?
Perk plan: $39.99 (Do-335, P-51H, Ta-152 etc)
Late war plan: $29.99 (P-51D,F4U-1C, etc)
Middle war plan: $19.99 (La-5, Bf109G6, FW-190A5, C205, SpitIX etc)
Early war plan: $9.99 (Bf109F, SpitV, C.202, LaGG-3 etc)
Pre-war plan: $4.99 (I-16, Buffalo, A5M, etc)
All plans can play in one Main arena