I have to agree with you on the TV Commercials and Promotional Spots, but I haven't watched the spanish version of episode 289. I'll have to give that a look. I did kind of like Inside the Shadows, though it recycled much of the information we've heard before.
On the Reunion disc, my favorites were the 69 JF interview on the Merv Griffin Show, and the 70 JB interview on the Mike Douglas show. I also enjoyed the bulk of the disc, which was the Reunion stuff, but I watched it before I had been to a fest myself, so that got me primed and ready for the real thing.
As for the Bloopers and Treasures DVD, I love the bloopers. Especially the one with Lara Parker playing the twins Alexis and Angelique in 1970PT. They show a run through of the lines as she's making sure she can see the teleprompter from where she stands, and then takes you through her playing each side of the scene--Alexis and then Angelique--and then it shows the finished product. It's a neat thing to see. Plus, Lara's line to someone off stage when they first start and she can't see the teleprompter is priceless! I laugh every time.
The "treasures" were less than amusing, as all they were was familiar DS songs and scores set against pictures and clips from when they were used in the show. I was hoping that they might have collected a few of the fan music videos that they show at the fest sometimes, and that are available on You Tube. B/c those ARE hilarious.