The pre-ordering of Microsoft's new OS Windows 7 started on September 24th in Japan. The premium set of Windows 7 Ultimate DSP edition includes wallpapers and event sounds of an original mascot character Madobe Nanami, voiced by Mizuki Nana
Picture of Madobe Nanami
Madobe Nanami is a supporting character for the homebuilt PC users.
Source: Akiba PC Hotline