I really like being able to show all my level70+ members on your site. The competitive spirit it lends is very productive in getting the lead out of guild members and getting them to do heroics etc.... to get geared up. It would be great if you could perhaps have a filter by level .. two choices - choice 1 levels 70-79, choice 2 level 80's. I know 80 is the new cap and understand if you choose not to do this but it might be useful to others. Just a thought.
PS: I'm really referring to the GUILD page, I know I can look up individual players.