Our motherboard reached as follows:
The highest 3DMark06 score in the World (at 6541MHz, score 
38139 3DMarks)

Second highest 3DMark05 score in the World (at 6678MHz, score 
50017 3DMarks – only 9 points from the highest ever Intel Core i7 result!)

Second highest CPU-Z validation with Quad core x86 CPU (PhenomII X4 955) in the world  – 
6898.55 MHz 
http://valid.canardpc.com/show_oc.php?id=599170Extreme cooling with liquid helium was used and MB worked stable for hours with CPU cooled to -250…-230C temperature.

The system after work:

More pictures & info at: 
http://www.xtremesystems.org/forums/showpost.php?p=3890071&postcount=222