Gibson's been riding the wave of tech for quite a while now -- launching several "robot" guitars featuring things such as a fully automated tuning system. For that, we give them credit: guitar purists are a tough bunch, and one that is most definitely resistant to change. So we can't help but welcome (on principle alone) the Firebird X, even if our standard Firebird is way, way better looking. The Firebird X -- which will retail for about $5,500 when it launches in December -- features the robo-tuning head found on the Dark Fire, and a seriously sick range of vuilt-in effects, includi