Let me try to give you an answer. I'm not really looking for a performance advantage. Vintage bikes are cheaper.......and easier to work on. They get the job done. The industry is actually heading in a different direction than I want it to go as far as frames and drivetrains. Rear spacing is getting so wide it's affecting Q factor. The frames tubes/stays are getting so wide/thick in certain areas that it might cause some clearance issues for me. I'll just stay with the vintage stuff.