lol dont worry i have overclocked over 5 rigs and 3 of them running 24/7 for over 3 years allready .... i myself never turn any of my pc off ( only when power failure coz Ups cant power longer than 1 hour ) and my 2.4 is overclocked to 3.2 running on 2 chapalang psu, main rig 3.0ghz max can reach 3.45 and another new one ( both just now was s478) s775 oc from 3.0 to 3.4 still running fine till today