Some news from the Mac development realm today: OS X 10.6.3 build 10D548 was released to developers last night. 
From the seed notes:

Included in this update:

- Performance improvements for 64-bit Logic
- Addresses compatibility issues with OpenGL-based applications
- Includes changes to QuickTime X that increase reliability, improve compatibility and address security.
- Improves printing reliability and compatibility with 3rd party printers
- Respects the DNS server ordering as specified in Network Preferences
- Addresses an issue that causes background message colors to display incorrectly in Mail when scrolling
- Resolves an issue that prevented files with the # or & in their names from opening in Rosetta
- Resolves an issue that prevented files from copying to Windows shares
- Resolves an issue that caused machines using BTMM and the Bonjour Sleep Proxy to wake unexpectedly


Focus Areas
- AirPort
- GraphicsDrivers
- iCal
- QuickTime
- Printing

But the biggest news? 

Known Issues
- none

Which means we might see it sooner rather than later.