This is really for me as I keep forgetting these links and loosing them!

User Profile Configuration http://technet.microsoft.com/en-us/library/ee721049.aspx

Excel Services Kerberos http://support.microsoft.com/kb/2466519

[updated 23 Jul 2011]  Migrating users between SQL Servers http://support.microsoft.com/kb/918992/

I’ll add others to this as I find them …

Cheers

Dave Mc