My dual core contribution:

E8600 Q820A727 5100Mhz + Super Talent Project X DDR3 1800 D9GTR (haven't tested lowest vcore yet, just quick stable run):





Code:
Extreme Tweaker

Ai Overclock Tuner           [Manual]
OC From Memory Level Up      [Auto]
FSB Frequency                [537]
CPU Ratio Setting            [9.5]

* CPU clock skew             [Auto]
* NB clock skew              [Auto]
FSB Strap to North Bridge    [200]
PCIE Frequency               [102]
DRAM Frequency               [1790] 
DRAM Command Rate            [1N]
DRAM Timing Control          [Manual]

1st information
CAS# Latency                 [7]
RAS# to CAS# Delay           [7]
RAS# PRE Time                [7]
RAS# ACT Time                [21]
RAS# to RAS# Delay           [Auto]
REF Cycle Time               [68]
WRITE Recovery Time          [Auto]
READ to PRE Time             [Auto]

2nd information
READ to WRITE Delay(S/D)     [Auto]
WRITE to READ Delay(S)       [Auto]
WRITE to READ Delay(D)       [Auto]
READ to READ Delay(S)        [Auto]
READ to READ Delay(D)        [Auto]
WRITE to WRITE Delay(S)      [Auto]
WRITE to WRITE Delay(D)      [Auto]

3rd information
WRITE to PRE Delay           [Auto]
READ to PRE Delay            [Auto]
PRE to PRE Delay             [Auto]
ALL PRE to ACT Delay         [Auto]
ALL PRE to REF Delay         [Auto]

DRAM Static Read Control     [Auto]
DRAM Dynamic Write Control   [Auto]

> DRAM Skew Control : 
DRAM CMD Skew on Channel A   [Auto]
DRAM CLK Skew on DIMM A1     [Auto]
DRAM CLK Skew on DIMM A2     [Auto]
DRAM CTL Skew on DIMM A1     [Auto]
DRAM CLT Skew on DIMM A2     [Auto]

DRAM CMD Skew on Channel B   [Auto]
DRAM CLK Skew on DIMM B1     [Auto]
DRAM CLK Skew on DIMM B2     [Auto]
DRAM CTL Skew on DIMM B1     [Auto]
DRAM CTL Skew on DIMM B2     [Auto]

Ai Clock Twister             [Auto]
Ai Transaction Booster       [Manual]

Common Performance Level     [7]

Pull in of CHA PH1           [Disabled] 
Pull in of CHA PH2           [Disabled]
Pull in of CHB PH1           [Disabled]
Pull in of CHB PH2           [Disabled]

(-- Manual --)

EPU II Phase Control         [Auto]

*** Please key in numbers or select voltage!***
CPU Voltage                  [1,61250]
Load-Line Calibration        [Enable]
CPU PLL Voltage              [1,5773]
FSB Termination Voltage      [1,39...]
CPU GTLVref(0)               [+40]
CPU GTLVref(1)               [+40]
CPU GTLVref(2)               [Auto]
CPU GTLVref(3)               [Auto]
NB GTLVref                   [+30]
North Bridge Voltage         [1,69]
DRAM Voltage                 [Auto]
NB DDRVref                   [Auto]
DDR3 Channel A Vref          [Auto]
DDR3 Channel B Vref          [Auto]
South Bridge 1.5 Voltage     [1,57...] two or three step up for your RAID
South Bridge 1.05 Voltage    [1,09...] two or three step up for your RAID

******************************************
CPU Spread Spectrum          [Disabled]
PCIE Spread Spectrum         [Disabled]

Open Case.
Air temp: 17oC.
Cooler: OCZ Cryo-Z