Hello guys, I was wondering if anyone could recommend whether or not I should buy a CPU cooler for my i5 3570k. I am not planning on overclocking, but I will be hitting the i5 pretty hard with gaming, it will be coupled with a GTX 270 2GB. So my question really is, do you think I should purchase a CPU cooler if I am not overclocking, or do you think the stock heatsink will be able to keep my i5 cool even with very frequent gaming?