who know on-line store?
They dont make them anymore. And if they did you would have to tell us where you are in the world. Some places do not ship overseas.
Alan's right... I think eBay is probably your best bet.
Good luck with that! 760SA drives don't show up very often, and definitely not sealed. I got mine in 2006 from Japan.
I agree. You'll have better luck finding a PX-755SA. The PX-760SA is almost non-existent.