I have been using Microsoft 2010 for the last few months and I am in love. In love I say.
I wrote a post about how much I looked forward to using it and I am still happy with my choice to download it.
Office 2010 Beta Applications
Office 2010 lets you work how, when, and where you want, letting you get things from a PC, the Web, and even a smartphone.*
See what’s new in your favorite Office applications: