I'm getting ready to order my S85 and think the 21" grey turbine wheels look really cool. But I'm wondering about how firm the ride might feel compared to the 19" wheels. Has anybody driven both wheels to compare the ride? Also I've seen on other forums here that tires on the 21" wheels wear about twice as fast as those on the 19" wheels. Maybe the 21" guys just drive more aggressively. If I'm going to feel every bump on the road and have to buy new tires every other year, maybe its better to stay with the 19's. Any feedback would be greatly appreciated.