Most users think Office is only Windows product but well Microsoft do have Office suite for Mac OS X operating system. The latest version of Office 2010 has reached to RTM stage and is already available to MSDN & Technet subscribers where official launch is somewhere in June, 2010.
Apparently the next version of Office suite for Mac is named as Office 2011 and won’t be available until Q4 of 2010. Recently Office 2011 screenshots was leaked on internet, who then knew Office 2011 beta 2 leak was imminent.

screenshots :[CODE]http://www.blogsdna.com/9494/microsoft-office-2011-beta-2-build-14-0-0-100326-for-mac-leaked.htm/CODE]