It’s official now, metal masters Megadeth are going to start work on another studio effort, which will definitely please all of us. This comes after the dvd set, called Warchest and their previous album, United Abominations. Here’s what Dave McRobb, Megadeth’s official webmaster had to say, via the website: “So…. I was talking to my beloved master [Dave Mustaine] tonight on the phone and he wanted me to let you all know that things are…