Looks like Fujitsu is going to bring A Symbian/Windows 7 Dual Boot Cell Phone.

Ever wished you could have a Microsoft main dish with a side of Symbian? We didn't, but if rumors are true, Fujitsu and team acceptable to cause a device to dual boot this year which can range from Windows 7 (desktop OS, not WP7) at the flick of a switch images . According to the interwebs yet untrusworthy, F-07C LOOX will come with a sliding QWERTY keyboard
The LOOX F-07c will sport a four-inch WSVGA screen with a resolution of 1024 x 600 pixels and at its core, a Intel Atom processor (Atoms force lower end netbooks) down. Added a 32GB SSD as well as USB and HDMI sockets for a phone that is capable of switching from Symbian to Windows 7 with just the touch of a button. As none of Fujitsu DoCoMo confirmed the information, file it under "R"category, but a rather pleasant one.