Originally Posted by
bpcyclist
Lots and lots of hype right now. Disc brakes promote sales of carbon rims, which are driving a lot of business right now. We'll see where it really lands in five years.
For what it's worth, people were using carbon rims long before disc brake road bikes were available. Carbon rims are more common now for a lot of reasons, one is that a lot of people didn't want to spend $$$ on a rim back in the day when those were wear items.