Hi, Hi_hifi. Audiogon and eBay seem to be the best place to look. I think you just need to be patient, and lay in wait. You could also post a "Want To Buy" ad here on Audiogon.
And, yes, the 333ES has played every CD variant I have tried in it without issue.
And, yes, the 333ES has played every CD variant I have tried in it without issue.