<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Tino:
All of your awards are doubled in value wit the Companion Pass (after 100 flight credits on Southwest). That, along with the promo at Diners Club, would allow you to get a free, unrestricted round-trip ticket for every $6,000 you spend...</font>
$6000 for a ticket that would cost you no more than $600 on Southwest.
Of course, one needs to spend $120,000 for a First Class Saver ticket to Asia on UA (retail value, $12,000) so sauce for the goose and all that, I suppose.