The Selle Italia SLR and the Selle San Marco Regal with Ti rails are two most comfortable saddles ever made. It must be saying something when most Selle San Marco Pros ride it and it is 200 grams heavier than most of Selle San Marco's high end saddles. And as for the SLR, I am not to fond of the looks but it is only 150 something grams and is very comfortable. I would go with the Regal and then the SLR.