FrostyTech has put up a Akasa Silver Mountain Heatsink review
Take one solid copper heatsink and plate it entirely with silver and you have the Akasa Silver Mountain. Strap on a powerful Delta AFBO612EH fan and you have the potential for a wickedly adaptable cooling solution.Read more
As shiny as the silver coating is on the Akasa heatsink, it really won't influence thermal results by any significant degree however. What the silver coating will do is prevent the underlying copper from oxidizing. Provided the silver coating is thick enough, it may even fill in some small gaps between the 18 sets of mechanically joined fins to the 6mm thick base plate.