Very interesting test. It would be even more interesting to see how the 1050 stacks up against this lot as I think it may well prove to give the best and most detailed PAL picture.
The only other thing I would add, is that I have 2x 4300D players. One of which shows slightly unstable colours which looks a bit like 'blotching' (can't describe it any other way). The other one is a lot more stable and looks much better. I only mention this as it looks like the 4300D you used has the similar colour blotching issues that my first player had.
It would also be very interesting to see the test repeated on a frame with saturated red or blue to see what difference the comb filter will make to the picture, the 925 shows really nasty combing effects on high saturation colours. Any idea if the 909 is any better than the 925 for comb-filtering of colours?
What were the settings for the comb filter in the DVD recorder? Did you have this set to 3D or 2D?
Keep up the excellent work mate!