I'm new to building, I heard you needed to spend about the same amount on a gpu as a cpu. This is worrying my friend and he doesn't know if he should upgrade to an i7 for less bottle-necking.
gpu: http://www.newegg.com/Product/Product.aspx?Item=N82E16814150517
cpu: http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072
gpu: http://www.newegg.com/Product/Product.aspx?Item=N82E16814150517
cpu: http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072