Pros: I have been Flying Blue platinum for six years in a row. I often wondered why I never got a complimentary upgrade... Well, I can no longer complain: I was very kindly invited to move across that curtain. Of course, in short haul (2-hours+) A321 flights, all seats are created equal, business or main cabin... But the attention was there, excellent service, and gourmet food too. The whole experience was great. I'll go on flying Air France with fewer regrets.