For $300.00. He still has the box and everything. I know the it retails for a lot more but I was wondering how does it perform? Should I take this deal?

Thanks a lot guys. All of that information was very useful.

Good point about the headphones. Would you recommend any specific headphones? I was looking at some on Guitar Center's website and the prices just seem to be all over the place.

Without realizing I need an amplifier. I'm new to synthesizers as you can probably tell. So I was wondering, what would be a good amplifier for the Novation XioSynth with 49 keys?