Since buying this game I don't think a day has gone past where I didn't play at least one game. The gameplay and ball physics are the most realistic on the market, it makes FIFA look like childs play. The only downside is that it lacks many official kits and names, but since you can completely edit all the kits, names, player stats, team names, stadium names...everything, its not much of an issue.
The online play is excellent once you actually get into a game, the servers are sometimes very slow but other than that its easy to use and plays well.
If your going to buy this for the PC then I would suggest buying a gamepad, simply because you can't fully exploit the full control and trickery very well with a keyboard.
This game will also run on most low end PC's, theres no need for a super high spec PC to run it well.