There is now a signup available at for the Office 2010 beta.  The direct link to the survey is:  Unfortunately it doesn’t guarantee access, and if you are granted access, it won’t happy until July.  But nonetheless, it gets you into the pool of applicants for the beta.  From there you just wait and see if you are accepted.

Can’t wait to get my hands on it!  I’m here more and more about details, some rumors, some not, but the anticipation is building!