Windows 10 for Raspberry Pi 2
これは来てますなー
Raspberry Pi 2 on sale now at $35 | Raspberry Pi
http://www.raspberrypi.org/raspberry-pi-2-on-sale/
Microsoft Windows on Devices – Raspberry Pi 2
https://dev.windows.com/en-us/featured/raspberrypi2support
Windows 10 Coming to Raspberry Pi 2
http://blogs.windows.com/buildingapps/2015/02/02/windows-10-coming-to-raspberry-pi-2/