As a user of several hard drives that are all creeping up there in age, I'm looking to consolidate. I do have a need for the mobile external hard drives as I like to move around a lot and ease of use is essential. I'm interested in the Western Digital My Passport Studio series http://www.amazon.com/Western-Digit...BSWO/ref=sr_1_1?ie=UTF8&qid=1331518063&sr=8-1 and I noticed that there are two firewire ports on the drive for daisy chaining. My question is, how many of these can I daisy chain off of my 17" MBP's firewire 800 port? Can I get at least 3-4 chained together? I know usb drives are cheaper but I prefer the performance of Firewire and I have other uses for my USB ports. Thanks.