It's getting closer. Arjen Poutsma has just announced that Spring 3.0.0.RC3 is now available. This release candidate contains lots of fixes to issues raised by community members.
Download | Documentation | Javadoc API | Change Log | JIRA
Thank you to all of the dedicated community members that have given feedback and identified issues. Please keep up the good work so that we can get a high quality 3.0 GA release.