I recently ran out of space on my MacBook Pro 17" (Summer 2009 model)'s 500GB hard drive, and am looking to buy an extra 750GB internal hard drive to swap in for my current optical drive. MCE offers a product called OptiBay (http://www.mcetech.com/optibay/) which does just that, and they can either install it themselves if I ship my MBP to them, or to ship the drive + instructions to me and let me handle doing it. I am wondering if anyone here has gone through the process themselves, and would care to comment on how difficult it is to swap the drives? I used to built my own PC desktops out of parts bought online, so I do have a rudimentary knowledge of computer assembly, but I've never worked on a laptop before. I do still have the original box my MBP came in so I could send it in, but I'd prefer to avoid the additional cost and time associated with doing it that way.