ASUS ZenBook Pro Duo hands-on: A bizarre yet useful dual-screen laptop Every once in awhile, a briefing pleasantly surprises me. And that's what happened when ASUS brought the new ZenBook Pro Duo to our office in New York last week to give us a preview prior to its Computex debut, today. It's hard to describe this bizarre-looking machine, but think of it as an almost dual-screen laptop. We're not