Jun sent in a bunch of links with pictures from the TGS event recently. There is also apparantly a video at the second Sega of Japan URL, if anyone can get it to work be sure to let me know!

Game Watch
http://www.watch.impress.co.jp/game/docs/20040926/hlive.htm (Assorted live pictures)

Softbank
http://www.itmedia.co.jp/games/tgs/2004/news/040926/18/index.html (Assorted live pictures)

Yahoo!
http://gameinfo.yahoo.co.jp/info/special/tgs04/headlines/geg/20040927/cpt/19000000_eg007.html  (More live pictures)

Sega of Japan
http://sega.jp/soft/event/tgs2004/report_rally.html (Booth report)
http://sega.jp/soft/event/tgs2004/report_finale.html (Second booth report)
http://sega.jp/community/sounpe/event.html (Behind the scenes look)
http://sega.jp/community/bbzb/079/scoop.html (A view of the audience from the stage)