thanks for all the input guys!
I'm not opposed to the Metro system, in fact, when I was first thinking about my 'Xbox pc' I stumbled on a mod to make Win XP look like Win 8/Metro, was gonna do that cos I thought it looked pretty cool, its just that I think Win 8 was designed primarily for touch screen devices, (laptops, tablets, smart phones) and not for 'normal' desktops/towers. if your running it on a 'normal'/ non touch device what are your thoughts?, could I really go from XP to 8 without much difficulty?
please note; this will be going onto my existing pc, can't afford to upgrade right now...