If you are thinking about pre-purchasing L4D2, you should think twice, as you might be yet another victim of Valve's regional pricing scam. Previously only differing the price between US Dollar, Euro and British Pound, they now topped it by even discriminating between the European countries. So we not only have the well known unfair price difference between Dollar, Euro and Pound: US L4D2 Pre-Purchase: $44.99 EU L4D2 Pre-Purchase: 44,99€…