You can talk your way thru with tradepac. They might bundle it cheaper with cpu. Weigh the pricing of the mobo + CPU bundle and see how much it differs from amazon.
If its between $10-$30 then you can go ahead to do the purchase locally. Cause after the overall bundle of the entire system, $10-$30 will easily be discounted off.
There is a new mobo. Not sure in sg have it or not yet. MSI 970 Gaming mobo has launched. Supports dual xfire gpus at x8 x8.