Spoke with a dl FO the other day who told me that initial training on the ER is probably the most difficult in the fleet due to the international ops. Someone else once told me the ER was like having to learn 4 different airplanes. After being a silent daily reader on these Delta threads for the past several months, my 7/7 classdate is approaching, and I'm torn between the ER possibility, and a more reasonable choice of the 717 or bus, which would possibly offer me a smoother training transition from my current equipment. Any comments?