Ultimately the ability to redeem miles for premium cabin travel on their partner airlines. (onemileatatime.boardingarea.com)
Only the business version has the new 50 % rebate on points redemptions for premium cabin travel on any airline — the personal card doesn't have it. (travelcodex.com)
Already they have one of the most insanely expensive award charts for long haul premium cabin travel. (viewfromthewing.boardingarea.com)