You'll notice it straight away, the passing is a bit sharper, shooting better, keepers don't spill the ball ridiculously, there doesn't appear to be as much 'rubber-banding' when you sprint past players (although it's still there), if you tap a shot it now shoots the ball first time rather than taking another touch, and you can actually do something with the ball in close contact.
It's still difficult to get things to go exactly as you want, but I'll put it down to practise. I have hardly played the game for the last month because it was basically broken.
Konami need to have the game right before they release it next time, because the DP 2.0 release would have gained much more favourable review scores.