The full draft of Resource Description and Access (RDA), the new set of cataloguing rules, is available. You can download the whole thing from the “constituency review” page. I don’t know how long RDA is … but the table of contents is 74 pages. You might also want to look at thing like RDA Core Elements and FRBR User Tasks (57 KB PDF),
I’m going to look at some of this but let’s be honest, I’m not going to read every word of it. I’m interested in the FRBR side of it, especially how relationships are identified and recorded, but I’m not a cataloguer or a masochist. To keep up with what the cataloguers are saying you’ll want to read Planet Cataloguing, which will soon be abuzz with RDA chatter.