There is a release candidate of Chimera 1.9 on the download page.  If you can, please try it out and let us know if you have any problems or questions.  The differences between 1.9 and 1.8 are covered in the release notes.  Thanks!

--Eric

                        Eric Pettersen

                        UCSF Computer Graphics Lab

                        http://www.cgl.ucsf.edu