i wanted to get a 4870 but then i niticed they are going up in price and 4890s are going down in price. so should i get a 4870
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161292&cm_re=4870-_-14-161-292-_-Product
or a 4890
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102852&cm_re=4890-_-14-102-852-_-Product
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161292&cm_re=4870-_-14-161-292-_-Product
or a 4890
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102852&cm_re=4890-_-14-102-852-_-Product