Agreed 6750 > 6670. Though an HIS 7750, http://www.newegg.com/Product/Product.aspx?Item=N82E16814161403 is essentially cheaper with the rebate and free shipping.
Your 6750 will cost you 7$ to ship; the 7750 is free shipping, so only 3$ more expensive, if you count the rebate, it's 7$ cheaper.
Agreed 6750 > 6670. Though an HIS 7750, http://www.newegg.com/Product/Product.aspx?Item=N82E16814161403 is essentially cheaper with the rebate and free shipping.
Your 6750 will cost you 7$ to ship; the 7750 is free shipping, so only 3$ more expensive, if you count the rebate, it's 7$ cheaper.