Originally Posted by choster
IIRC Platinum Amex access to airport clubs is not related to Priority Pass. It is a separately negotiated benefit, only good for the Delta, Northwest, or Continental lounge and only when flying their respective airline, and there are few options outside the US.
For the US AmEx Platinum, this is true. However, if your AmEx Platinum card is based out of another country, it will likely come with Priority Pass instead of the NW, CO & DL perk.