Well, the reboot is very interesting to say, removing the "aliens from another planet" and have the Thundercats be more of an "evolution of feline life".
Also, while I think Mumm-ra's posture in his usual form fits with the fact he is A CORPSE, I was one of few fans to expect Roger L Jackson (Mojo Jojo, the Emperor from FFXII) to be involved and capture the original voice actor(rest his soul)'s style. But as the show started, I like to see how Luxord's VA will pull off Mumm-Ra's Ever-Living form.