installed Win8 Pro on my Lenovo T400 and updated all drivers fully w/DriverMax.<p>it's a strange experience. while Win7 was smooth, on Win 8 sometimes things take longer than i'm used to and dragging windows sometimes stutters. maybe the WDDM 1.1 drivers for the ATI Mobility Radeon HD 3450 graphics chipset are being glitchy, dunno. other hardware should not be causing the issue - running 8GB Corsair + Intel X25-M 80GB SSD.<p>btw, to make it usable (also win 7):<p><a href="http://rammichael.com/7-taskbar-tweaker" rel="nofollow">http://rammichael.com/7-taskbar-tweaker</a><p><a href="http://classicshell.sourceforge.net/" rel="nofollow">http://classicshell.sourceforge.net/</a>