3D Spotlight has posted a review on the Leufken Water-Cooling Kit

As I mentioned before, with regular air-cooling my CPU could run reliably at 850mhz, but seeing as it’s a Duron, which are known for their good overclocking, I wasn’t exactly thrilled by this speed. So I was quite enthusiastic to see what speeds would the processor achieve with water-cooling. I managed to get it to 950mhz, still 50 left to the magic number. But nothing I did could get the CPU stable at 1Ghz. I called a friend to me and he came over with his soldering iron. We had to increase the voltage beyond the 1.85v that the Socket-A motherboards are limited to. We followed this guide as seen here and soldered a 22k ohm resistor onto the motherboard to give us an increased voltage. I increased the voltage to 2.05v and this got the processor running perfectly stable @ 1000Mhz.

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