Service Pack 1 for Exchange 2007 Documentation
I've just been browsing around on Scott's blog
http://blogs.technet.com/scottschnoll/archive/2007/09/08/service-pack-1-for-exchange-2007-documentation-available.aspx
And found the list below:
This content includes information about:
You can find online documentation for Exchange 2007 SP1 at http://technet.microsoft.com/en-us/library/bb124558.aspx.
Cheers
Nathan