Created the same concept in Wordpress by modifying an existing theme.
Full working example is at s i t e impr o v e d (dot) com
A few features that take advantage of WP functions:
The main home page template is created and pulls the domain name from the WP Site Title field.
The menu items can link to wherever you want, SEDO auction, GD Auction.
Just add your Site title, admin email for the contact form and it's done.
I have this setup on a WP Multi setup so I can add a domain in a few minutes, anyone want to test with their domain, PM me or check the info at wp domain park (dot) com