2.0 alphas could do it, but there's too much work to make this work decent. RetroUI does not do it even half-decently. Maybe SIB 3.0 could do it. i see... well maybe this program can help you in someway -> Windows 8 Start Menu Modifier , the lastest version is not on OP, its on page 3 at page3 this program alters the Start Screen Full to whatever size and where you want, also a nice option "Fill Screen, Leave Taskbar" < this one would be very nice implented on StartisBack can't post images but take a look on the first link, it has images not sure if metro apps full screen works like Start Screen full screen but....