About those black automotive undercoating. Since the product is intended to be used outside of the cars, can it contain some poisonous substances? Since the materials used to seal and protect the bottom of the chassis often is I think this question is justified. What happens to these kind of stuff w...

Confused... I have had two 40 gb cuda IV runing raid for a long while and bought a 80 gb cuda IV for a while ago (cuda V not out then). My opinion is that the 80 did not add to much to the ambient hd-noice in my case. It's noice disadvantage to the 40's is barely noticable. But it is just me talking...