Face it, that 80GB HDD your laptop entered the world with isn't cutting it anymore, and just any add-on won't do. No, you've gotta do it up right with a newfangled 320GB 2.5-inch portable drive, and Western Digital's got just the thing with the newest member of its Passport lineup. The drive weighs less than 5 ounces, runs on the latest and greatest platters, and will set you back $230.

DIY'er creates homegrown mini mech