The GT200 cards arent even out yet or the German water-cool company has already designed new waterblocks for the GT200 cards called "Aquagrafx G200''. The blocks are made of 100% copper and cover the whole card, including memory-chips, NVIO chips and mosfets. The blocks uses G1/4'' connectors and canals so that the coolant can flow through the block without resistance.
No info about prices or realease date