do you have intake fans? you didnt mention that you did, you only said that there was the option. thats probably your problem. if you dont have enough fans now, then take one of those exhaust fans and put it as an intake. then get yourself some more fans. 52C is still okay but its not in my comfort zone. you could also get a new cpu cooler, like the Zalman 7000Cu some name like that, its quiet and from reviews performs pretty darn well. but most ppl on here like water