Will I really notice a difference between the clock speed of a 8800GTX being 575 vs 621MHz? Here's the ones I'm looking at:
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130072
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130079
Thanks
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130072
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130079
Thanks