Just keep using what you have, save your pennies and get a good cooler, something you could use on a couple of builds. That way there is no second guessing, no scraping the bottom, and you will have something decent.
X5690 E.S. @ 4200MHz 1.35v/Thermalright Le Grand Macho RT/TF8/TY-143
Asus Rampage III Formula @ 200/3600/3600 Bios 0702/Intel 545S 256GB x2
16GB G.Skill + Super Talent Mix @ 800MHz 9-9-9-24 2T 1.6v
EVGA GTX 980 Classified 3988 @ 1490/1900|Asus Xonar Essence ST/KEF M500
CM Silent Pro M2 850|Fractal Design Meshify C/Panaflo NMB x3/ZM-MFC2