Hardware Zone posted a review on the AMD Phenom II X4 955 processor

With the release of AMD's Phenom II X4 955 Black Edition and 945 processors, they now have a CPU deserving of its AM3 socket and usage of DDR3 memory. It even overclocks to 3.9GHz on air-cooling. Find out if AMD's flagship processor can tease the Core i7 in our assessment.

AMD Phenom II X4 955 - A Timely Upgrade