I actually saw Episode III: ROTS the day after it came out, but I've been busy with other things. I think it did a good job overall because it made me really, really sad in spite of the fact that most of the dialogue was excruciating and some of the acting was terrible. I kinda knew what to expect in that regard because "I've got a bad feeling about this", while a Lucas catch phrase that I myself use fairly often, is not stellar writing.
I ended up seeing it with my family while in VA, and I told SigO later as we compared notes that I felt like LilBud in the second half of the movie saying "Noo." in the whiny little voice of a two-year-old being asked to do something they don't want to do. I knew how it was going to end, but I didn't want him to go out like that. It was not a satisfying turn to the dark side in my mind. Even though they were building to it effectively, in the end it was more of a squeak than even a whimper when Anakin succumbs to Sidious.
And then there was poor Natalie Portman. It makes me wonder how much better I would have felt about the part of Padme if I didn't know her as a great actress -- I felt like she was wasted here. More unknowns in other parts might have helped, too, to eliminate some of the feelings of stunt casting that have been haunting the prequels.
SigO says that it improves upon second viewing, but you know it's bad when my Dad, Mr. Blow-'em-up-flick-fan, thinks that the light saber battles are too long. But even given all of that, I know that we will have to get the DVD, and I can't wait to see the special features.
This is why George Lucas is worth approximately a gazillion dollars.