So you want an Andows, or is that a Windoid device. Well those ingenious fellows over at
XDA Dev have been working their magic again and have released a bootlauncher to do just that.
Its still early days and limited to certain devices and screen formats (VGA only at the moment) but does support both "Internal Storage" and "Storage Card" devices.
Obviously only for serious die hards as this will cause you warranty to completely disappear in the case of problems.