According to http://www.coolingconfigurator.com/step1_complist?gpu_gpus=895
there are plenty of full covers for this GPU - The one I was looking at is the EK GeForce 680 GTX+ VGA Liquid Cooling Block - Acetal CSQ (EK-FC680 GTX+ - Acetal CSQ)
Link here...
I've purchased all the PC Hardware and now I am completing the build my selecting my watercooling equipment. The Hardware is shown here: http://pcpartpicker.com/p/yYaQ
I am using the CoolMaster CM Storm Stryker (white) case instead of the one shown.
Water Cooling Plan for the following TDP...