Under the Diners Club thread it looks like their replacement dining program is going to be IDine with the 20% back. If that is the case, for anyone who is signed up for the $49 a year IDine, then the DC card is $49 cheaper since it comes free with the card. I have to say that once I become lifetime Platinum with AA it will be a tough choice. Will probably do 3 small cost restaurants for the 500 bonus, and any large checks do the 20%. It suppose to be coming this summer.
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Ms.DtG