Hobby Complex 06 Tokyo was held in Tokyo Big Sight (東京ビッグサイト) on December 21, 2008. It’s just like a doujin GK event. It’s mostly the individual GK workshops to sell their products and some big manufacturers to showcase their works. Thanks アキバHOBBY for the pic.
Here are the part 6 and 7, the booths for the big manufacturers: