I purchased these because I like many Actionscript 3 developers (which means Flash Builder and with the Flex/Air SDK) would like to use our skills to create mobile apps.
These are excellently produced videos. The DVD has all completed examples as well. You will get a wide exposure to functionality. The presenters are well practiced, clearly spoken and pleasant to listen to.
I would say the videos are good for getting an overview of how to build mobile apps with Flash IDE and Flash Builder.
That's the good news.
The drawbacks
This will fall short if your goal is suitable starting path to making you feel comfortable to go on your own. You will feel a scattered as where to start and uncertain whether or not you have all you need to go on.
First there are two authors using two different platforms. Two authors is fine but one presents in Flash IDE and one presents in Flash builder. Topics are split between them so for accelerometer or geolocation is shown in Flash IDE but not in Flash Builder. Visa versa, UI items like tab bars and view are done in Flash Builder and not Flash IDE. So if you are a Flash IDE and bought for that, you are short changed and visa versa. Beyond that there is the usual flip flop in Flash Builder where we need to see an Actionscript Flash Builder project teaser example and then Flex SDK is used there after which should be your preference unless you are building something like a completely custom UI like a game.
Second very few serious developers write code in Flash IDE. We use it sometimes for its animation functionality, lite Actionscript and export to swcs to be put into Flash Builder for development. It may make Flash IDE user feel they have a future in Mobile apps, but I think that is wishful thinking.
Third there is no commitment to a device platform. Flash Builder 4.5 has IOS, Blackberry and Andriod. Blackberry is dismissed altogether which is fine. The examples and videos flip flop between Andriod and IOS and often IOS is avoided and completely with the FLash IDE videos. So you cannot get a sense of what approach suits either platform and in some cases we are simply told this does not work in IOS such as the softkeys video. So you are at a complete loss if your choice of platform is IOS and you have no idea what the difference would be. Bottom line is flip flopping begs the question why not two video series for each platform or giving equal attention to both platforms for all examples in separate chapters.
What is obvious here is that the publisher did not seem to have a lab of devices for these authors to use and I suspect they were limited to their own personal devices.
Fourth there is no capstone project that you can put it altogether. The contacts example or the todo example could have been expanded to be a capstone example. You will be begging for more as the authors give you the sense of something complete and then leave to another topic and example. I like the idea of atomic examples so you can focus on the functionality and that is what this mostly is. The twitter example gets close as well but hey its twitter and limited to what twitter is.
The potential here is great and with Flash Builder 4.6 hype indicating is going to be better at doing mobile, the next version of this should simply pick one development platform and either one device platform or be sure if both Andriod and IOS are going to be covered, make sure it is clear what do to in both.
I would recommend mulitple video series for each device platform and use the AIR/Flex sdk for both with objectives of a good capstone projects as well as the excellent atomic videos in this series. That is where your audiences are for this and you could make some great sales.
Finally the videos are encouraging that there might be a future for Actionscript (well really Flex) developers in Mobile without a lot of retraining.
Are videos these worth the price because the time you would spend digging around on the Internet to find this collection of well presented examples exceeds the cost of a working professional doing the digging by many many times. Plus much what I found on the internet is woefully defective with a lot of wannabees trying to get some ranking. These videos brought it together nicely. You will enjoy them.