2500 rs can extend to 3000. cm 333 got only 2 fans. i got e6600 with asus p5b. hynix 667mhz ram, corsair 620 w, wd 640 gb, hitachi 160 gb, samsung 80 gb,ati x 1800 ,creative x-fi xtreme music,samsung dvd writer, sony ide combo drive, need cooling on that budget, planning to overclock. is this reaper good better than b2 pro(readily available). reaper take a week though. using reaper and all fans can i overclock to 3.6ghz with out any heatsink?