Apple has just Released iTunes 9.2 beta with the Release of iOS 4 for iPhone 3GS, 3G and iPod touch. But the beta version is for Developers only as it's under test and it's Available for Mac users only.
It's supposed that the final version of iTunes 9.2 will be Released for public with the launch of iOS 4 on June 21st. And here's a list of Features in the iTunes 9.2 beta.
Download iTunes 9.2 for Mac [Developers Only]
Update 1: iTunes 9.2 now avaliable for Windows and Mac and has been Released for Public.. Download iTunes 9.2 for Windows and Mac OS X from Here.