if you ever switch games and wish to multibox ... good luck doing 5 or 6 accounts on one machine with decent graphics ... I play LOTRO and running 6 instances on one comp just wouldnt work very well ... WOW makes boxing on one machine easy becuase of its graphics

just throwing that out at ya .. if you plan to play other game IE new starwars game next year ETC ... more than one machine may be handy ...