Several manufacturers presented rather extreme air cooling solutions. At Aerocool for example, two tower included on the side 25 cm (10") fans, the Nitron, and the ExtremeEngine 3T (this one also has a 14cm fans in front).
Coolermaster also made the demonstration of a gigantic CPU cooler based on 6 heat pipes and 2x120 mm fans. For AMD and Intel processors, the RR-CCH-ANUI-GP is still at the prototype stage, especially because of its weight of 1.8 Kg. Coolmasters told us to that their objective was to reduce it to 1 Kg.
There was also the prototype of the Scythe Infinity. It just fits between the power supply and the graphic card…
