OK, I've played a few games - here's my first opinion on the game.
Pros:
* Graphics are pretty good. Everything close up looks AWESOME. Player likenesses are superb, EA have clearly been working on those - faces are now better than on Pro Evo. Everything runs smoothly at 60 FPS, and my PC is only a little above recommended settings.
* Game plays at a slower, more realistic pace now.
* Tackles are great now. Very realistic reactions to sliding tackles, and there are some very nice animations when the players get hurt or angry.
* The gameplay has been expanded so you can DO a few more of the things you want to do. The standouts for me are improved long shots, curling passes, and lofted through balls are easier to implement.
Cons:
* All in all, the gameplay has not changed much. It's an update from FIFA 08's gameplay. Not at all bad, but could be better.
* The colour is a bit washed out in places. Much improved on FIFA 08, but particularly in the replays it doesn't look great.
* They may have overcooked the collision system a little. If a big player runs into a small player, for example, the small player goes flying - looks like it should be a foul and an injury, but play goes on as normal. They could have been more subtle with this.
* I had to fiddle around with the graphics settings to get good results. 3D grass and Post-processing are a waste of time in my opinion. Post-processing seems to add an unrealistic bloom effect and not much else, and it halved my frame rate in replays and cut scenes.
Overall, pretty good so far, with a few minor niggles. We'll see how annoying those niggles are over the next few days, I guess.