Depending on how much you paid for all the parts, I would've probably just bought a LaCie 5big Network 2
Oh, and why do you actually use the third 80mm fan inbetween the disks there? I think it's not improving the cooling all that much and only adds noise.
...and allways remember, that the world is an orange!
Only when the last tree has been cut down; Only when the last river has been poisoned; Only when the last fish has been caught; Only then will you find that money cannot be eaten.