Yeah, the Wookie's lightsaber was a cool design.
Why the hell did Obi-Wan warn Grievous that the ship was going to self-destruct? He had an opportunity to take out one of the enemy's top generals! Sure, maybe it was the chivalrous thing to do and all, but in general these characters haven't been shown to be too reticent about killing the enemy. The only reason it happened was that Grievous canonically had to be alive in Episode III. It was very awkward and arbitrary.
I'd been led to believe that David Tennant would be in three episodes, but his voice wasn't heard here; we saw Huyang, but he was under repair and silent. Bit of a letdown.
Interesting that the "uy" in Huyang is pronounced much the same way it is in Puyallup, Washington -- not "hoo-yang," but "hyoo-ang." (The city's name is pronounced "pyoo-al