After years of delays, hacker vulnerabilities, and technical hiccups, Boeing is finally reaching the finish line -- the 787 Dreamliner is ready. The first of the firm's fantasy flyers was presented to executives of All Nippon Airways this week, scoring ANA a dreamy new jet that promises to increase fuel efficiency by 20 percent when compared to similarly sized birds. The 787 owes its fuel savings (and selling point) to a primary stru