The Panasonic D-Snap and D-Dock are a music player and a dock, respectively. The D-Snap is a flash-based affair, which fits into the D-Dock, that in turn has a 80GB or a 160GB hard drive. The video is of their press conference where they announced it. Head to Akihabara for the vid.
HDTV: D-Snap and D-Dock press conference [Akihabara News]