I've decided to hold off for now on the purchase of a new hard drive. The computer comes with a 640 GB hd @5400 rpm. I'll see how well it plays out, and what comes out in the near future. (Hoping for the WD hybrid, 750 GB.)

Thanks for everyone's input!

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Yeah the TB drives are a bit big with three platters. I managed to squeeze one into my 3 year old HP but the cover won't shut so duct tape is holding it secure :D

A few of the 1 tb options above or that I found have only 2 platters

Glad to hear that- not sure what the market looked like when I invested in mine, but its runnin well enough ;) and TSA has given it a look at only a couple times :D I was a bit concerned bringing it thru AMS but no issues there. :cool:

Did that with my MacBook almost two years ago; replaced the DVD burner with a SSD, haven't looked back. Really saved my bacon when my mechanical drive failed while away from home, since my computer was still quite usable.