Here is the
link,
Of course, if you upgrade you get more. Here is some info for you:
"Fighting Google with free
Microsoft's biggest response to critics comes in the form of its new Web apps. Microsoft will make Word, Powerpoint, Excel, Outlook and OneNote available online for free.
The Office Web apps won't have all the functionality of the full Office suite, and only customers who purchase Office 2010 will be able to seamlessly integrate their work on the software with their work online. Both the Office Suite and Web apps are only available for businesses now but will hit retail shelves on June 15.