Yeh GK My machine just barely runs it when recording with Fraps.
The TIR is definitely affected by it.
You really need a dual core, or more to truly enjoy the game.
I can only record in a simple mission like this, or take screen shots.
Although the servers I was on in the middle of the night, I managed to remain in the 20's for the most part, and it ran well enough to have a pretty dan g good time with it.
It's not IL2 and it has a long ways to go to getting there, for ease of use and functions.
Il2 in the beta days was 80% better thought out, and ready for market than this thing and its GUI interface.
http://forums.ubi.com/eve/forums/a/tpc/f/2601013236/m/8241049877?r=7851031187#7851031187
Here's a couple for ya.