SLI chipset coolers seem to be a problem especially on the DFI Lan Party board. The AC Twinplex fits the A8N-SLI series boards and I think other do as well. Lately several people have been ordering coolers in from MIPS in Germany that work, but are not asthetically pleasing to the eye. Aqua Computer just ran the flag up on the SLI chipset coolers with this beauty: