There's tomes written about ProTools. I won't bore you with another one here.
However, our studio was on the tightest of deadlines to get a project edited....so we were non-pluses when Avid's download system and servers weren't operating after we purchased PT10.
Sweetwater to the rescue.
Our sales engineer Brad Every and the Sweetcare team went above and beyond by FedEx'ing DVDs to us the very same day.
This is why we always turn to Sweetwater when it comes to purchasing gear and software.