I used to be exclusively RC and now I am mostly R2R. This site just seems to be more active and informative, but there are a few old posters on RC that are very knowledgeable and helpful. When I set up my first saltwater tank in 1985 everything was learned by going to the lfs or reading books. Information is so much easier to find now than it was back then. I used to drive 45 minutes one way every Saturday morning to hang around the lfs in Minneapolis. I learned a lot by eavesdropping on conversations and chatting with the owner and staff.