In a somewhat rare move, Apple has seeded a new build (11D33) of OS X 10.7.3 to early testers before providing it to developers. Testers are being asked to focus on Address Book, iCal, Mail, Spotlight, and Safari. No known issues are listed with the build.
The build can be installed either as a delta update to previous beta builds or as a combo update, and the final version of 10.7.3 is expected to be released very soon, as 9to5Mac reports that Apple is nearly finished working on the update. The update is expected to provide bug fixes, as well as performance and stability enhancements.
9to5Mac has leaked the full release notes for those of you who are interested.