Just wanted to post a link to the 2 most useful files I have used as long as I have played this game. And since I have shared them with many newcomers which has loved them I thought I'd post the links here. I haven't helped making them in anyway so I'm not taking any credit for it. Just posting the links:
Quick rule reference and window overview
http://boardgamegeek...-rule-sheet-pdf
Also this one is almost a must