I have been wanting to upgrade my stock 250GB 5400-rpm Serial ATA hard drive on my 13" MacBook Pro to something with more space. I need to know the maximum size of the replacement drive. Can someone please tell me the specifications? I know it has to be 2.5", but I need to know the height and whether it still has to be SATA (3Gb/s) or can it be SATA (3Gb/s) with Advanced Formatting like WD Scorpio Blue 1TB. Thanks.