I've had a 60 GB BM Deskstar, bought cheap.
Lasted 9 months then began clicking uncontrollably and loosing data. Using the IBM recovery suite from their website , I changed each flag to zero - like IBM told me....
And now it is completely useless. (except as a paperweight).
Avoid IBM harddrives like the plague! just check out the link for the lowdown ::destroy:
TechReport IBM harddisk Survey