I upgraded my '09 Mac Pro to 10.9 yesterday without issue, but since the upgrade a couple strange things have been happening: Every time I power up, the optical drive tray ejects. This is with the original Apple Superdrive. The computer now completely refuses to fully sleep. It times out fine, but wakes itself up half a second later. It then tries to sleep again a couple minutes later and the same happens, over and over again. It's very annoying. There was also some oddness with the iWork updates re-installing themselves several times even though they appeared to be working the first time, but that seems to have sorted itself out. The system is pretty standard except for having a Fusion drive setup - a Crucial M4 + WD Velociraptor. Any thoughts?