While there is probably a guide around somewhere, there may be problems with the heatsinks per use of.. "naked" processors? I remember something about this, but not exactly what. Its driving me nuts, and I know that its an important difference!
I think that's only the quad tho right? AFAIK the octad CPUs have the HIS and aren't "naked". Woo! Naked...
Tesselator is dead on if you order in volume! Not the exact same drive, but one that replaced it in the Newegg store. There are other 1.5 TB drives, obviously, but methinks that is somewhat similar to what Tesselator was testing with.
You don't need to order in bulk. Just stay away from the "famous" sites who think they have the right to charge more. Here's four shops with it for under $100:
http://www.google.com/products?q=HD154UI&oe=UTF-8&hl=en&scoring=p