That link actually came from the Ultimate Disney website. It's the only place I've seen mention the upcoming TSII special edition. Maybe they chose the 26th because a lot of people will be in stores returning Christmas gifts.
It's been out of print for a while so there are probably a lot of people that don't have it. I've got the "2-Pack" (which my son used to watch all the time) and will gladly double dip. I'm actually glad I don't have to pay an arm and a leg for the Toy Box on ebay.
Here's the specs. DISC ONE Feature Film Presentation * Presented in Widescreen 1:77:1 aspect ratio with picture direct from Pixar's digital source * Encoded with highest DVD bit-rate ever used for a Disney/Pixar film * Audio remastered by Academy Award® winner* Gary Rydstrom...