are you going to lower your car?
20x8.5 with 245/35/20 tires. that's what lammydi used to have on his ride.
sadly, 20s and "best ride" in terms of comfort are never going to meet. if you want comfort go for the 18s. you want looks, you have to pay the price of a stiffer ride.
20x8.5 seems good.