I have the Sybex Kit and Darril's book, but I am wondering about the videos out there. I am reading the books, but concerned about retention. I haven't had to study for anything in years. I know the more senses you use in learning, increases the chances at being successful in grasping concepts. Are there any worthwhile videos out there? I did a search here and found Apex mentioned here, as well as Trainsignal. Any thoughts or recommendations?