Dear Jilian: Your unit was a 2003 Yamaha release, and if you haven't done so, one way to gauge its value is to see if it is offered on Ebay so you can establish its starting price and follow through until a sale is finalized. Because it is "new" you might then decide to list it yourself with a "Reserve" to ensure you get your money's worth. Also look around the internet for additional sites and asking prices. Good luck.