We're in the market for a new 15" chipper. What's the best choice?! We have 2 crews, and currently run a 99' Morbark 2070 (9") and '07 Morbark 15 Tornado. The 2070 is slowing us down big time, and needs to be replaced. We demoed a Vermeer BC1500, Bandit 15XP, and Morbark 1821. All of them had...