Wingster and tahustvedt, Thanks for the replies. Could you please list your system specs.

Here are mine:

Pentium System: Windows Me (4.90, Build 3000)
Processor: Intel(R) Pentium(R) 4 CPU 1800MHz
Memory: 384MB RAM
DX Version: DirectX 9.0c (4.09.0000.0904)
Video Card: NVIDIA GeForce3

It was good 3 years ago. It's still good enough to run Aerofly Pro.

Oh, and I don't fly choppers, so I can't comment on how good XTR is for them. All I know is there is flaw in the algorithm for fixed wings on my system.

I also may have some of the video options set differntly (vsync, for example?) That didn't seem to make a difference either way I set it.