Apple has released Java for Mac OS X 10.6 Update 2 for Snow Leopard users, updating Mac OS X's Java SE 6 to 1.6.0_20 and delivering "improved reliability, security, and compatibility for Java SE 6." The only details given revolve around security fixes, so it's probably worth downloading this update even if you don't anticipate using Java applets much. The update requires Mac OS X 10.6.3. (Free, 78 MB)
Find Your Mac's Serial Number
Want to check your Mac's serial number quickly and easily? Select About This Mac from the Apple menu, and click on the text directly below "Mac OS X" that reads "Version 10.x.x." Click once and you'll get a build number which is more specific information about the software. Click twice, and you'll get your Mac's serial number.
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