I installed a new gpu card (msigtx670 oc) bought from overclockers in an offer about a month ago, I don't know if this instal is linked but since install i have blown 2 700w psu s. the first was of unknown brand and had been in my tower for 2 yrs with no problems. The second was installed to replace the defunct unit by a local pc shop. They fitted an evo labs pentium p4 model e 700br. PC booted fine, but as soon as I tried to run saints row 4 the new psu suddenly sparked and turned the PC off. Am I having these probs due to my msi card or is it me just being unlucky with my psu.?