One of the first things I learned on my road to Elite PVP was that speed is everything! Especially if you're flying combat interceptors!
Other than practice one of the best ways to improve your speed is to optimize your HUD (heads up display / Interface). You do this by decreasing mouse and eye movement so that you can act with lightning speed.
Watch this video to find out how I do it...
Watch in Full Screen at 720p for best quality!