Fizik Arione on all my bikes (all four). I was a Selle Italia Flite fan since it's introduction but last year my LBS talked me into trying the Arione. It's by far the most comfortable saddle I've ever ridden. It takes several rides for it to break in but after that it's simply the best. The Fizik Aliante is also very comfortable but a little too soft for my liking, the Aliante was Bicycle Mags best saddle for two years running.