If you're from my generation who grew up with the original Star Wars Trilogy with Luke Skywalker and Darth Vader, then the prequels have mixed reactions.
I got Series 1 of the Clone Wars on DVD as a gift for Christmas, and watched all four discs within a couple of weeks.
This set for Series 2 has 5 discs, 4 with the 22 episodes on, and then one of special featurettes.
The 20 minute episodes are not in any chronological order, as some episodes seem to go back to the beginning of the Clone Wars, but they are intended to fill in the gaps between Episodes II and III.
Unlike the cartoon version, which were short 10 minute episodes, these stories are aimed at an older audience. The CGI animation is very clean and clear, the voices on the whole are good mimics of the film characters, (occasionally they're voiced by the real actors, such as C-3PO by Anthony Daniels), and each episode has a clearly defined story. Some episodes are grouped together in little story lines, but my one failing of the sets is that the stories don't always follow on from each other. On the third disc for example, there are three episodes set on Mandalore (home planet of Jango Fett), followed by an episode set in the Senate, then an episode that takes us back to before the animated film of the Clone Wars, where Anakin has not even met his Padawan, Ahsoka Tano. Yet, the first episode on the disc is one with Ahsoka losing her lightsaber.
Overall, they are a good source of extra information about the actual Clone Wars, and a good filler for the stories, but I think they will only appeal to fans of the saga. However, having said that, I will be eagerly awaiting the release of Series 3 to DVD.