Interesting - but I do think the capacity / research into these traditional drives is tailing off somewhat. SSDs are taking over - over the next few years I think they'll start to push the conventional drives out the door more and more.
For now though, bigger capacities are good as far as I'm concerned!
Let's get this party started, I'm sick of begging you You make me dead inside which I give to you
Let's get this party started, You make me feel inside I want to be the one to make myself sane