So I got to spend one day at the Scrum Gathering in Orlando this week. One of the keynote speakers was Dr Mark Paulk. Among other things, he led the effort to develop the CMM model for software at Carnegie Mellon University.
During his talk, Dr Paulk said "Waterfall is stupid." His point being that the waterfall approach is not an effective way to develop software.
I've had to "observe" the rest of the conference via my friend's twitter feeds and blog posts. Jesse Fewell has a day by day recap on his blog as does Dave Prior.