I vote for the Avocet O2 Air. I have several Terry saddles including the Butterfly, but the Avocet is way more comfortable because it is narrower in the nose section. Saddles with wider noses feel like they are trying to split you in two, and cause chafing. The 02 Air is wider in the BACK so it would not be as good for technical mountain biking where you need to get off the back of the saddle, but for road biking it is the best I've tried.