I disagree with the assessments here completely. The expanded universe has some great stories that deserve to be told, but we still don't have anything on what actually happens during the Clone Wars themselves. We've merely seen how they begin and end and how 3 or 4 battles are resolved (thanks to CN's Clone Wars series). Folks, these battles are supposed to thin out the Jedi and actually have some of them killed, making it easier for Palpatine to know when the time is to strike against the main masters. They are supposed to last for a period of 3 years. Furthermore, whil the movie will focus on Anakin and Obi-Wan, the actual series is not going to have them as the main focus point. While I question the animation, I look forward to seeing this new take on Star Wars, especially since it's actually supposed to be better than the prequels, despite whatever ratings it's being given. Just remember you have to judge the Clone Wars on more than this movie- you have to judge it on the actual series.
As far as George Lucas only wanting to touch on items with Jedi swinging lightsabers around and such, remember that the live-action TV series being worked on takes place between episodes 3 and 4. While there are a few Jedi alive, most will have been killed off, so there won't be much lightsaber swinging then.