Yeah, it is transparent... that they may raise the price and undisclosed amount. There's nothing wrong with it but the terms mean I'm not interested in preordering. I'll wait until the final price is available. Why did this seem to upset people?
I don’t think they can legally raise the price and charge your card without communicating the adjusted price to you and letting you confirm. Someone correct me if I’m wrong on that but ultimately I think they still need you to agree to it explicitly.
If you wait until the final retail price is known, it's quite likely that you won't be able to place a retail order at that time, since it's a very limited run. There will probably be a few scalpers on ebay though.