I have the FS9 install on an older machine, and there are no major FPS issues. But the VC does take a little extra time to draw, but after that its fine.
The package offers both marks. The exterior is well done, as are the sounds and cockpit. No 2D, but that doesn't matter. I realized on my last flight I couldn't operate many of the switches because of F1View which I suspect needs to be disabled. The mouse wheel action is used for the switches, but is overridden by F1view.
The manual is big and informative, but doesn't mention the F1View issue. One thing I would like (with any payware) is a summary of the annimations. For example, I noticed the AS version has a weapons bay for their Mk. 2. I don't think the XP version does, but I don't know for sure cause I can't find a reference in the manual.
I also had some challenges with the flight dynamics. They seemed too sensitve for my old controller in the pitch and elevator arena. I wasn't sure if this was typical for the real thing, or something else.
So, I'm curious to hear if others are experiencing the same and anything they can share. It is a lovely plane.
--WH