A nice quiet 120mm Globe one running at 7V will definitively be much quietier and so on...
About the drive suspension - I killed my 160G Maxtor this way (but RMA it, so... but data are lost...), but since the results are amazing, it did not stoped me, I just bought better rubbers and added safety net and that it is. Easy to do.
Preliminary pics are there, but soon I show the final version:
http://ax2.old-cans.com/s.php?p=sile...6&c=8&d=1&v=v2