I believe the ROF sim will progress nicely over the years of paid and/or unpaid addons. That's if initial sales are good enough for them to continue the project. I also don't have a problem with paying for the added material.
Developing these sims is a very expensive and time consuming project. Releasing an early addition of the sim provides the developer with some much need cash. It lets them know if there is enough interest by the flight sim community to continue the years of labour.
Lets face it 39 bucks is nothing and paying a few bucks more for each aircraft or two combined other improvements to the sim is also very very cheap. I know Oleg doesn't see this as a route he wants to follow, but basicly hes doing the same thing. Hes just providing more content, for more money, at longer intervals. While ROF is providing less content, for less money, at shorter intervals.
Shorter intervals are not a bad idea as you know how little patience some in the flight sim community have.
