When I built my gamerome I put in a dedicated 200 amp sub panel with internal surge suppression
and also used individual surge suppression outlets.
http://www.smarthome.com/865130/Leviton-5380-I-Duplex-Surge-Suppression-Receptacle-Ivory/p.aspx
I have one outlet per two machines. Each outlet is on a separate 20 amp circuit from the sub-panel.