Almost done, all sprawled over our small coffee table!

 

The dual HIS X1900XT in Cross-Fire Mode, with the DangerDen
Maze4 GPU blocks cooling them:

 

The Cool-trek 2 x 120mm Radiator:

 

The inside of the base of the DIY Dry Ice Cooling tube by VR-Zone
Youth Team members SimplyAdvanced and Yantronic: