Is this training still valid for Flash Builder 4.7?

Flash Builder 4 and Flex 4 Essential Training with David Gassner

Watch the Online Video Course Flash Builder 4 and Flex 4 Essential Training

this was made in 2010 I am interested in learning about Flash Builder but I know that you want to be current, does anybody with experience with the language think it is still a good choice? David Gassner is an excellent teacher.Thanks