i have arctic cooler 7 pro (not the revised version) and a core 2 quad q9300 overclocked to 3 ghz. the core temperatures as shown by REAL TEMP 3.70 are at 59 degrees at idol and upto 79 degrees at load... i have to keep the overclock.. and want a second hand cooler which can help these temps get lower.. the case has enough space to accomodate large coolers! please tell me any models for which i should go for?