Well, you can't really say that's true, Waterlogged. For example, the EK Supreme is just as popular here as it is in America (and, apparently, everywhere else in the world). It is true that Swiftech and D-Tek are used less around here, though.
Also, I didn't get a chance yet to test a D-Tek Fuzion V2, but I'm working on getting a sample.

Bojamijams, thanks for those stats. As always, Martin's work is great.