The latest powerhouse CPU offering from Intel is here. The Intel Core i7 -- a quad-core processor available in three different speed configurations that is really taking the computing world by storm. Several new features have been added to this processor, such as on-chip DDR3 memory controller, smart cache, and HD boost. Of course, with all the extra features and power comes the issue of how to keep it cool. The Core i7 may be powerful, but it is also very hot running. From the stock heat sinks and fans, to liquid cooled solutions, the cooling possibilities are many. Unfortunately we can't test them all, so in this article we'll take a look at 4 popular cooling solutions and how they fared.