ARMA Gold, DCS World, Falcon 4.0: Allied Forces, F-16 Multirole Fighter, F-22 Raptor, F-22 Lightning II, F-22 Lightning 3, Mig-29 Fulcrum, IL-2 Sturmovik: 1946, Lock On Gold, Operation Flashpoint: Game of the Year, Rise of Flight United
For me, I like to have both WWI and WWII modules so if Eagle Dynamics decides to make a WWI series, then I won't hesitate to get the WWII series as well. Other than that, I'll stick with the modern jets which is already expensive as it is.