If you’re sucking of waiting for having the update notification for your Windows Phone 7, you may follow the steps provided here http://wmpoweruser.com/new-forced-nodo-hack-as-easy-as-pie/
It works fine for me (on Orange France network with an HD 7 not branded [ie not bought with the operator])
It may take sometime for the Zune client to detect the update.
Due to a bug in the product, anonymous comments is currently disabled
Sorry about that