I have the 60 GB ps3. I bought a toshiba 250 GB for the ps3 and im now usin the ps3's 60 GB sata 2 :) as my external HDD.
I installed the 250 GB and it works perfect :). I got 40 movies, 25 Demos and lots of music now, and i still got 160 GB free :)

! " i've actually noticed an extreme change in speed for the loading times !! 1 minute = almost 40 seconds "

iLike :D ..

Orderd Metal gear solid 4 Limited edition wich im gunna be getting it soon for 270 SR .. new! lol