yes, but the thing I find to be the most ignorant about that post, is the fact that he's requesting a 64-bit OS for a 32-bit architecture...
what next... someone trying to 'enable' HT on their Xbox processor.
still, XP embedded would be the lightest flavour of windows to use, although, if a fully-fledged version of windows were ported, perhaps this could open the doors for the server flavours (although some serious cut-downs would be necessary) but it would certainly be an amusement to see an Xbox serving Active Directory.