Twin Xeon 5600 enthusiast motherboards?

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http://hardforum.com – I'm wondering if there's any benefit in finding an enthusiast motherboard (like the EVGA SR-2) and installing my twin X5647s into it. Right now it's in a Dell T5500 workstation and the 2nd processor requires a daughterboard that is susceptible to failure Would an enthusiast motherboard allow me to overclock at all or are these pretty much locked? (Hardware)