I have the best overclock for an Intel i5 750 2.66Ghz to 4.01Ghz So far.
Also this photo as the latest 3D Mark06 score that is 23449
Intel Core i5 750
Windows 7 (6.1) Ultimate Edition (Build 7600)
CPU Arch : 1 CPU - 4 Cores - 4 Threads
CPU PSN : Intel Core i5 CPU 750 @ 2.67GHz
CPU EXT : MMX, SSE (1, 2, 3, 3S, 4.1, 4.2), EM64T, VT-x
CPUID : 6.E.5 / Extended : 6.1E
CPU Cache : L1 : 4 x 32 / 4 x 32 KB - L2 : 4 x 256 KB
CPU Cache : L3 : 8192 KB
Core : Lynnfield (45 nm) / Stepping : B1
Freq : 4009.2 MHz (211.01 * 19)
MB Brand : Gigabyte
MB Model : P55-USB3
NB : Intel DMI Host Bridge rev 11
SB : Intel P55 rev 06
GPU Type : Radeon HD 5850
GPU Clocks : Core 157 MHz / RAM 300 MHz
DirectX Version : 11.0
RAM : 4096 MB DDR3 Dual Channel
RAM Speed : 633 MHz (2:6) @ 9-9-9-23
Slot 1 : 1024MB (10700)
Slot 1 Manufacturer : Crucial Technology
Slot 2 : 1024MB (10700)
Slot 2 Manufacturer : Crucial Technology
Slot 3 : 1024MB (10700)
Slot 3 Manufacturer : Crucial Technology
Slot 4 : 1024MB (10700)
Slot 4 Manufacturer : Crucial Technology