I am going to oc my i5 2500k to various speeds in the next year(3.6,4.0 then 4.5 ghz) and will get 30 dollars in rebates from newegg and am willing to spend 75-80 dollars if it will improve performance I want water because of looks and noise h60??? h80 I know nothing about coolers and need advice if there is a sweet one that is less than 75 then the less the better thank you!