Copper coolers are running out the windows lately, but if they work, then we'll review 'em. Mikhailtech thinks along the same lines, so check out their latest review of the Cyber Cooler P-5700 HSF. here's a snip:

"Another thing to note here, is the strange design of the fins. it's actually one fin! Yeah, somehow. See, it's like a piece of copper bent in a "zigzag" kind of a way, when it reaches the base, it's soldered and goes up, when it reaches the top, it bends down, and so on.