Personal and business Platinum and Centurion card holders will now be extended access to US Airways lounges.
Note: this is the Platinum and Centurion charge card, not various American Express credit cards that have used the word Platinum throughout the year and not American Express cards issued by anyone other than AMEX (e.g. Bank of America).
The US Airways lounges will not require a ticket on US Airways unlike some of the other airlines that participate. This actually might not be a bad deal since the annual fee is $450 and grants one access to Delta, US Airways, American, and Continental’s lounges. Membership for the US Airways lounge (which reciprocates to other Star Alliance lounges, but not to Delta or American) is also $450 for a non-status flyer.