I don't know half as much as the regulars here, but after a quick look through newegg i definitely agree with PP.
This motherboard, for example (not recommending it, just the first i found for that processor) is $215 usually, and i think its in some deal right now, and costs $165.
The processor and motherboard of this build is $190 altogether. So, you are saving $25, and losing out on a load of processing power.
Newegg.com - ASUS P6X58-E WS LGA 1366 Intel X58 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
Also, I'm pretty sure that motherboard will be better than the one in the build you suggested.