IXY
http://dc.watch.impress.co.jp/docs/review/pview/20100518_367057.html
http://trendy.nikkeibp.co.jp/article/column/20090911/1028771/?P=1
http://dc.watch.impress.co.jp/cda/compact/2009/02/18/10214.html
http://dc.watch.impress.co.jp/cda/review/2008/11/20/9659.html