rspec-2.0.0.rc is released!
See http://blog.davidchelimsky.net/2010/07/01/rspec-2-documentation/ for links to all sorts of documentation on rspec-2.
Plan is to release rspec-2.0.0 (final) within the next week, so please install, upgrade, etc, and report issues to:
http://github.com/rspec/rspec-core/issues
http://github.com/rspec/rspec-expectations/issues
http://github.com/rspec/rspec-mocks/issues
http://github.com/rspec/rspec-rails/issues
Many thinks to all of the contributors who got us here!