I have oc'd my new system to 270 and DRAM speed to 1:1.50. I"m new to this so I'm not sure if there is anything else to do? Will this run faster and still be safe? I have the E2180 with Rosewill fan, IP35-E Abit MB, Corsair 2GB 800 memory, Vista. I loaded CPU-Z and Prime95. Prime has passed...