Ready for download. From the release notes:

The 10.4.7 Update is recommended for all users and includes general operating system fixes, as well as specific fixes for the following applications and technologies. It includes fixes for:

- preventing AFP deadlocks and dropped connections
- saving Adobe and Quark documents to AFP mounted volumes
- Bluetooth file transfers, pairing and connecting to a Bluetooth mouse, and syncing to mobile phones
- audio playback in QuickTime, iTunes, Final Cut Pro, and Soundtrack applications
- ensuring icons are spaced correctly when viewed on desktop
- determining the space required to burn folders
- iChat audio and video connectivity, creating chat rooms when using AIM
- importing files into Keynote 3
- PDF workflows when using iCal and iPhoto
- reliable use of Automator actions within workflows
- importing and removing fonts in Font Book
- syncing addresses, bookmarks, calendar events and files to .Mac
- compatibility with third party applications and devices
- previous standalone security updates

For detailed information on this Update, please visit this website: http://www.info.apple.com/kbnum/n303771.

For detailed information on Security Updates, please visit this website: http://www.info.apple.com/kbnum/n61798.

Just in case you've turned off Software Update, haven't visited Apple recently, and are having bugs relating to compatibility with third party applications and devices. Just sayin'.