You are one lucky guy. From the moment that Yamaha brought out the 2400, there were not enough of them because they are so good and that was quickly recognized. People just snapped them up literally faster than Yam could make them. And you got one at a huge discount!
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw