Domain name for domain auction site

[webmasterbeta]

I have following domain names.

<!-- w --><a class="postlink" href="http://www.dnsupermarket.com">www.dnsupermarket.com</a><!-- w -->

<!-- w --><a class="postlink" href="http://www.bestgreatdomains.com">www.bestgreatdomains.com</a><!-- w -->

<!-- w --><a class="postlink" href="http://www.greatname.org">www.greatname.org</a><!-- w -->

Which one is the best and suitable to use for "Domain Auction website"?

Pls vote.

thanks