OpenOffice 3.0 Final Available
The final client for OpenOffice 3.0 is available at various mirror sites, according to ZDNet. The official release date is 10/13 but if you want to get a jump on it early, follow the link in the blog entry.
Note that not all mirrors currently offer all OS flavors of OO.o 3.0. The path to the final download is usually as follows: stable/3.0.0/ . Release notes have yet to be updated from Release Candidate 4.