There's one on that auction site, but for stupid money. They've even put $$$ in the title: quite what they hope to achieve with that, other than point out it's bloody expensive, is beyond me,
If you're thinking of offering anywhere near that, mine would definitely be for sale . I'd rather not sell... If I ever do get into the mindset of selling, I'll certainly let you know.
I realise that's not much use to you.
ATM there is a Brazilian guy selling a complete A600 setup with an Apollo 630 @50MHz for a bit less than £415 (OS3.9 installed, built-in CD-ROM, large HD).
Postage can be a killer...
Tell me if you want me to contact him in your behalf.