I have personally never had a problem with Artic coolers fixing any of my mother boards. As a matter of fact i have never used anything but artic cooling freezers.
I have never had a problem with AC Coolers on any board.
--------------- The Truth About GPU Power Consumption Home: E4600@3.6Ghz|AC7|P35|4GB|640GB|8800GT|Vista64|24" P-MVA
Work: Phenom9500@2.5Ghz|AC64|690G|3GB|500GB|8600GT|XP|2x22" TN