You need a fast processor and a very good video card to get good FPS.

Buy a TrackIR head tracking device. You can look around the VC just by turning your head. It moves in any direction you move your head. Want to get a closer look at gauges? Just move your head closer to the screen and it will zoom in.

Here is a video of the CS 727 with the TrackIR 5 I made.

http://airlinersim.blogspot.com/2009/07/parkway-visual-approach-runway-13lr-jfk.html