Don't ignore leather, it's not just for retro-grouches. I ride 100+k on a regular basis with no diapers. I recently went to a ride with a group from the 50+ forum. Each had more than 30 years of road riding and 6 of 8 were using Brooks saddles. I use VO model 6 on my road bike.
http://simplecycle-marc.blogspot.com...onspiracy.html
Marc