Ever wondered what’s inside a PS3?

Carefully disassembled, we see how the PS3 is really put together with these four PS3 dismantling videos - the size of the fan is unbelievable (Video 3), I wonder if the quieter 40GB versions have a smaller fan?

http://www.youtube.com/watch?v=aHS07EFGZ3g

http://www.youtube.com/v/pcoEA69MuYM