I'm a little loathed to reduce sprint speeds as I only play MM and the AI has super speed all over especially the defenders so reducing my players speed would only make it worse as when it wants to the AI just ignores stat's anyway...
To be honest altering the speed was a last resort. I was thinking about trading Fifa10 in for PES10, but i thought why not give this a go.
I felt the speed in which my players got around the pitch, combined with the speed of the passing made the game unenjoyable.
Slowing the players down makes the pitch more Pro Evo like in the sense that it feels much bigger. I agree with the AI ignoring player stats, although at a slower pace it doesn't seem as apparent.
The only problem with this stat editing is the fact that it would be useless in MM as form and scouted players will eventually undo all the good work.
Bit of a shame really, because the basic game engine is pretty good. It's just the speed and aggressiveness of the game that spoils it for me. It doesn't feel sim-like.