Originally Posted by CoMooter

It all depends on personal circumstances in terms of using the BOC card. Personally, a REALLY big difference to me is the 3X miles on ALL ST airlines. I have two DL Amex cards, and those are limited to just 2X - an only on DL tickets (my guess is Amex is going to have to change this sooner rather than later to compete). Personally, more and more I am looking at the BOA card to largely replace in a huge way what usually goes on those Amex cards as I spend a lot of $$$ annually with other ST carriers, including quite a bit with MU and KL/AF.