Update Exchange 2007 Help File
Just in case you haven't spotted it; here is a link to the Exchange 2007 Help File which was updated on 23rd Feb.
http://www.microsoft.com/downloads/details.aspx?familyid=555F5974-9258-475A-B150-0399B133FEDE&displaylang=en
Yes; more Exchange 2007 related reading!!
Have fun......
Cheers
Nathan