MAX $500. hopefully $300. many suggestions are far above that.
Used probably, and a word of caution:
find one where the owner assures you of low use. The lasers do get progressively weak, and one of the first things to go is the ability to ’find’ the SACD layer.
Ask for photo of the unit playing an SACD (if they have one) (iow, see the display show if found SACD).
a lot of Sony's play SACD including some changers: