Also see: Booking Barcelona: $747 Round-trip in AA Business Class Seriously tempted by the 75,000 point Citi Hilton Visa offer Yay! Just got Discover It and Citi Hilton 75K cards! It’s been a minute, but remember when I was tempted by the 75,000 Hilton points signup bonus on the Citi Hilton Visa? And then I…