I wouldn't say raping, Most the reviews I have seen and from building they are close and with the new 4in1's I don't think you would be able to tell the diff. in everyday use, Both are stable, Fast and overclock good, Most will say the nforce 2, If it was me and my KT266a was running good I would upgrade to the 4in1445 and wait and see how the KT400a or some of the other boards look