Cardcaptor Sakura x Samantha Vega is a collaboration that yields handbags and wallets with Cardcaptor Sakura's 20th Anniversary in mind. Check out the store here for ordering information.
The CLAMP X Sound Theatre website now has some promotional xxxHOLiC merchandise up, too. The Sound Theatre Youtube Channel will also feature something from the xxxHOLiC show tomorrow.
Update: An interview between the director and music director is up at the SOUND THEATRE's youtube channel.