I'm interested in your comment on road buzz. One of the reasons I bought a steel Santana was the curious lack of road buzz. In general, my wife and I found it to be very comfortable. It may not be as fast as some other bikes, but it handles quite well and we can go long distances (granted, we've done half centuries, not REAL centuries) without feeling beat up at the end of the day. Unless your frame is just shot, why don't you consider updating the bike you've got with 10 speed brifters, new upscale wheels, and good brakes?