It looks like there are some strange things going on over at Microsoft with the Xbox. It ends up the shortage of Xbox 360 systems have dramatically hit system sales for two months in a row. Having the supply problems last this long might mean that there is a problem with the parts supply or manufacturing. This is with the current "Falcon" Xbox 360 and is going on parallel to the development of "Jasper", "Opus" and "Valhalla" Xbox 360 systems.