Microsoft has just created a test drive page for Office 2007 Beta,

Where you can Test Drive The Features.

http://www.microsoft.com/office/preview/beta/testdrive.mspx

You can also get the beta version at $2, which expires next year.

I have downloaded it yesterday , and tested the new Office Features.

There are a lot of improvements in the Outlook Object Model especially for com-addin and Outlook Forms Developers.

Some Links For Consolidated Development in Outlook 2007:

http://www.microsoft.com/downloads/details.aspx?familyid=09c426ce-b06d-415c-a9e1-976268e16181&displaylang=en

What is new for Developers in Outlook 2007:

http://msdn.microsoft.com/office/program/outlook/2007/default.aspx

http://www.microsoft.com/downloads/details.aspx?FamilyID=AABF127D-D069-4549-A1B1-667A698C3EF6&displaylang=en

Happy Customizing.