Great point Lukas... props on video just look wrong, but seen by the naked eye they look accurate. Trying to take still photos of a moving prop is tricky too... if you set for a fast exposure, the aircraft will be in focus, but the prop will appear stopped dead, which looks wrong in flight. If you slow the camera down you can get a great looking blurred prop, but it is much more difficult to get the aircraft itself perfectly focused. Not sure where I'm going with that
Anyhow, I find the prop effects for A2A's aircraft in FSX to look very good, knowing that accuately representing a moving prop in all stages of power is a tall order!
EDIT: Benny, what do you mean about the canopy glass looking funky? It fogs up from time to time, and you may see reflections in it. The only "funky" thing I can think of is how the upper corners of the glass may disappear in some zoom levels, but this is an FSX limitiation, not a fault with the Spitfire.
And if you mean the glass is too blue, that was just fixed in the new Accu-sim update.