Earlier in the week my cohort here at The Apple Core, David Morgenstern, wrote about living a bare drive lifestyle where "professional Mac users often use hard disk mechanisms like floppies." Count me in that group. I keep a lot of (non-traveling) hard drives in my office, most in silver anti-static bags, and swap them in and out of use with great frequency. I also change notebook hard drives more often than some people change their underwear, but I digress. If you only have one or two external drives, then keeping them in an enclosure is best. It keeps the hard drive mechanism out of harms way and (sometimes) cools it with a fan. Hard drives also stand a better...