Chase just launched the new sapphire "reserve"
it looks quite badass.
https://creditcards.chase.com/a1/sapphire/reserve
Annual fee is high. That is the flip side of the coin.
I have a Preferred and I am very happy. The $20k/month limit helps a lot with the credit score. (You barely reach 50% of usage)
RE: Why You should AVOID A Discover Miles Credit Card