Watercooling won't be the prob - it allready exists for a Dual card in the Cube. Boris > It probably have to be watercooled, and obviously need more of a > power supply than the standard cube brick. The additional board > space would be handled by removing the internal core heatsink and > replacing it with a mounting frame for the dual G5 board and it's RAM > and waterblocks. And then there's the software mods..