I received an email yesterday from Microsoft Learning which said [amongst othere things]
"...
Because we appreciate you choosing Microsoft E-Learning, we would like to offer you 15% off your next Microsoft E-Learning purchase. This offer is valid for the next 30 days and may be used on any Microsoft E-Learning product. Simply enter promotional code 07TEML in the checkout screen..."I tried to use it to purchase collection 6462.
On page
http://learning.microsoft.com/Commerce/default.aspx I put the above code into the discount code box and clicked the Apply button. I received the following error
"The discount code that you typed is either not valid or has expired."