The Geforce GTX 670 from evga or the one from gigabyte?
http://www.newegg.ca/Product/Product.aspx?Item=N82E16814130782
or
http://www.newegg.ca/Product/Product.aspx?Item=N82E16814125423
http://www.newegg.ca/Product/Product.aspx?Item=N82E16814130782
or
http://www.newegg.ca/Product/Product.aspx?Item=N82E16814125423