I think PR Gold is better than Delta Amex Card. It is because you don't get stuck flying with Delta. PR gold gives you double MR on traveling (including airline tickets, hotels, car rental) Last year, PR Gold saved me a few times during the trip because of airline delay and mess up. You still can get bonus by booking thru travelocity, hotels.com. I didn't bother to apply for Hilton HHonors Amex. You ask you yourself " Are you always buy ticket from Delta?" Delta doesn't always gives you a good deal. By the way, I didn't find any use to have Amex Platinum. I only fly once or twice a year.
You guys are harsh..........................
We only want you to stay in the garden so you can get the best card and CL possible
CLs aren't really applicable to AMEX charge cards