What's the better choice / value for money since there's very little between them price wise.
Intel Core 2 Quad Pro Q6600 "LGA775 Kentsfield" 2.40GHz (1066FSB) - Retail
Quad Core Technology, 2.40GHz clock speed, 8MB L2 Cache, Intel Speedstep Technology, EM64T 64-Bit Technology, Execute Disable Bit, 3yr Warranty.
Intel Core 2 Duo E6850 "LGA775 Conroe" 3.00GHz (1333FSB) - Retail Intel Core 2 Duo E6850 "LGA775 Conroe" 3.00GHz (1333FSB) - Retail
Dual Core Technology, 3.00GHz clock speed, 4MB L2 Cache, Intel Speedstep Technology, EM64T 64-Bit Technology, Execute Disable Bit. 3yr Warranty.
Intel Core 2 Quad Pro Q6600 "LGA775 Kentsfield" 2.40GHz (1066FSB) - Retail
Quad Core Technology, 2.40GHz clock speed, 8MB L2 Cache, Intel Speedstep Technology, EM64T 64-Bit Technology, Execute Disable Bit, 3yr Warranty.
Intel Core 2 Duo E6850 "LGA775 Conroe" 3.00GHz (1333FSB) - Retail Intel Core 2 Duo E6850 "LGA775 Conroe" 3.00GHz (1333FSB) - Retail
Dual Core Technology, 3.00GHz clock speed, 4MB L2 Cache, Intel Speedstep Technology, EM64T 64-Bit Technology, Execute Disable Bit. 3yr Warranty.