Ok, I just killed one of my aging 3870. After replacing the cooler, it just wouldn't work anymore.
@EF: Have you tried using the language tools in Google to translate Xfastest.Com? I tried it but still going through a lot of the threads (and reading between the lines as well)...
Regarding the NB passive sink for the Rampage Extreme, I am also having the same thoughts as REVHEAD, its just way too hot. Anyone tried replacing the gunk in there? I used AS5 on it and is still way too hot. Is this normal for an X48 chipset? And the passive sink hits the TRUE120 so the fan clips are of no use.