OS X 10.5.5 update available for download

Apple's latest OS update -- 10.5.5 -- is now up and dancing in Software Update. It includes the latest batch of security updates, Address Book, Spotlight, and iPhone sync enhancements, and iCal, eMail, MobileMe and Time Machine performance tweaks. In other words, it's a biggie. Full release notes just beyond that read link.

[Thanks to everyone who sent this in]