I did that with my ps3 and what worked wonders for me is i took off the top cover ( the part that says in silver letters Playstation ) and just blew the 300lb air compressor we have and i had a whole bunch of dust come out and now my ps3 runs quite and i think cooler.
First!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!
This game is a no brainier to get i have already played the demo and I thought it was great. The MP looks sweet and look more deep than COD
sony its 180 i believe but if your like me i found a guy on craigslist that used to work for sony and had all the repair equipment that did it for $45. :)