I just built an amd64 system and was curious which way I should blow the fans. Currently I have a side case fan blowing out, and a back case fan blowing in. Along with my psu fan. Are those good directions for those 2 fans? Right now I flucuate from 46-52 C. In the next week, I plan on ordering a much better heatsink/CPUfan however to lower those temps. But just wondering if those other 2 fans are blowing correctly? Side out, back in.