I'm getting mixed reactions as to whether or not the synthetic flextech type upholstery or the leather is the best way to go. I've seen the flextech in the 40 and it seemed pretty nice. But some of the reviews I've read about the upholstery in the C70 make it sound so much better than that. My concern is wearing shorts on hot leather seats in the summer. From my previous leather seats in previous Volvos, I've found that after many years, they start to crack a bit, probably from wearing shorts all the time in the summer. I've also read that the flextech (or whatever the C70 upholstery is) stands up great to the weather and some have said that it feels as nice as leather. Any thoughts anyone?