Originally Posted by
crimson12
Amex is conspicuously absent from your list; there's a 40k DL Platinum card with 15k MQMs, and you can get personal and biz versions of that card. You can also apply for the Amex Plat or Gold, though I don't think there are great bonuses out there for that card. SPG Amex gets very good reviews, though it never has a particularly high sign on bonus.
Can you post a link the the DL Platinum card with 15k MQMs?