i've had two apple notebook drives fail me waaaaaay ahead of mtbf ratings. a 17" fujitsu drive from a g4 not even a year old, and a 12" g4 hitachi almost 3 years old. i need something that WILL NOT FAIL. this is freaking ridiculous. the product descriptions on newegg for 5400 80gb drives are pretty ambigous; all seem to claim "highest shock tolerance" blah blah. which is it?