"Fast" is always a matter of relative E states. If you're just taking off in a 262, you're going to be slower than even the slowest plane in AH. If you're in a P-51 15k below a Spit V who dives and takes a lead course on you... you're not going to get away. Period.
So all this talk of "super fast" Spits seems to me silly. Just about any plane with a relative E advantage can appear faster than its adversary. As well, people underestimate just how fast some planes can go, especially when the pilots intentionally horde or hide energy.
In addition, the notion of some "anti-G" device sends me into hysterics. When I viewed some of my films earlier tonight, I noticed that I rarely exceed 4Gs in most manuevers. The high G stuff tends to be for very short durations, certainly not enough to matter with Mandoble's cure-all pilot fatigue solution. Oddly enough, I also almost never black out in the Spit V... there's no need to if you exercise proper stick control.
In other words, Mandoble, you're (yet again) full of crap. It doesn't surprise me that you have to ask how to properly test various aircraft, as it's abundantly clear that you've never scientifically assessed anything in Aces High.
-- Todd/Leviathn