Txs for your comments everyone. Getting a new Mrs Minou is definitely out of the question... Unless the issue gets out of hands!
Yeah, I do have a lot of turbulence and noise with the back windows down. But that might do the trick. At 110 clics on the highway, I'll open them to my unsuspecting passengers and ask how they like it and if they wish to endure this much noise all the way.
I too thinks completely illogical to run AC with the windows down.
As gotak said, I too like quiet cars and the whole driving experience is ruined when the windows are open on the highway.
And I don't want my passengers to dictate in what kind of environment I'll be operating MY vehicle. What I can offer is a quality environment with nicely controled temperature, humidity and noise level. If they think they're suffocating or just unhappy, well, I guess they'll have to use another vehicle for themselves and drive anyway they wish.