I did some more testing yesterday. I found the limits of this CPU.

Setup:
Foxconn Bloodrage
Intel Core i7 965 (week 36A)
A-DATA 1600X (Micron D9GTR) this kit is designed for X48, but I use three of them.
Foxconn GTX 280
Thermaltake 1200W



Here is 32M at 4970MHz:
Click image for larger version. 

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32M is scaling directly with CPU speed now. Tweaks are getting less and less important, so you can do these pure MHz runs easily.