FrostyTech has posted a Cho Liang CB0315U17 Copper Heatsink review
Cho Liang have been aggressively trying to enter into the lucrative North American markets and one such example of this attitude is the full copper CB0315U17 Socket A Athlon XP heatsink. The heatsink (which really ought to have a less abstract name if it is ever to see wide acceptance) is based on three sets of copper parts, brazed together and then heavily sanded and polished to a mirror finish. The bright, shiny look will absolutely grab your attention if you ever happen to see it on a store shelf.Read more
On the plus side, this finish leaves the heatsink looking like a shiny aerodynamic block of copper. On the negative side, the heavy polishing takes away from some of the machining which tends to indicate manufacturing quality.