We just got back from a wonderful short 4 day trip did AA Biz over and did BA First back, Never flew BA before, had the pleasure of hanging out in T-5 What an amazing terminal, also visited the Concorde room, that place put most of these airline lounges to complete shame. BA First by far was the best flight we have ever taken. For once NOT one body in my bone aches from flying.. would use the miles to upgrade to First in a flash if it was available..