Okay, we're going to look just over the horizon on this one, but the implications for HD content are huge. Earlier this month, Maxell announced plans to ship a 300 GB disc drive next year. Big deal, you say. Okay, it's going to be a removable disc. Got your attention yet? Here's more; it will be a 5.25-inch disc. That's the equivalent of more than 60 single-layer DVDs. And the...