Two reviews in Japanese of the G-FORT. Use the sites mentioned below if you want a machine translation:

http://k-tai.impress.co.jp/review/2001/01/26/gfort.htm
http://www.wince.ne.jp/snap/ceSnapView.asp?PID=73 (Part 2: http://www.wince.ne.jp/snap/ceSnapView.asp?PID=74)

Press releases and other links can be found in both of these articles.