I thought I was getting the hang of cooling when I cooled my 1.2 Athlon with a Thermalright SK6 and a Delta Black Label fan; loud but cool. I then upgraded to an Antec case, Asus A7V333 MB, AMD XP 1800, and a Thermalright AX7 heat sink with Thermaltake's 80mm smart fan (trying to go quiet)...