TPU spotted EVGA's Hydro Copper waterblock for GeForce GTX 470 cards is now also available without a graphics card, it's available on the company's site for $139.99.
Manufactured by Swiftech, the EVGA Hydro Copper water-block consists of a central portion from which the coolant flows, this part is directly over the GPU and memory, and makes use of 0.6 x 0.6 mm thin copper pin matrix for heat dissipation. The base consists of chrome electro-plated copper. The other two segments are heatsinks which convey heat to the central portion, cooling the VRM areas. Both both 1/2" and 3/8" high-flow fittings are supported.