$530 used!? Yikes is right. I'd better run over to my volume knob and scale it back some right now. But I swear, they're worth it.
The $850 per pair includes mark up of course (nobody provides services for free). Nevertheless, this is still a relatively high priced tweeter - nearly double the Excel Millenium. Is this bad? I don't think so...after all this is what makes the sound and one could hardly be delighted about spending $5 K+ on speakers to learn they had only a $29.99 tweeter mounted in them (this is actualy most often the case)!