"Virtal Box" as in the "Oracle's free virtualisation software"? I tried that (you know, its free and open source and so) but the throughput for 3D acceleration was unacceptable. Tried just to run a single WoW... not more than 5 FPS and input was lagging as hell! So I manged to get a VMWare Workstation 8 (you see what I did here?!... and a Virtual Box you can change your Hardware ID I have 6 VB's open at a time all with a different V P N IP
