Well, it looks like the mystery of Nokia's Symbian^3 slider may soon be solved -- Reuters is reporting that the company will introduce its new "flagship" E7 smartphone at its Nokia World event in London next week, and it says that the device will pack both a "large" touchscreen and a full QWERTY keyboard. That's further backed up by the existence of an XML file on Nokia's own site, which seemingly confirms that the E7 does indeed run Symbian^3, and that it boasts a 640 x 360 display along with that QWERTY keyboard
