Lowest Unique Bid Auction web site

CMS which allows easy and functional control of web site.

Security for customers and the continued high level functioning of web site.

SEO.

Intergraded payment gateways.

Site will not require timers, so will be more simple to make function correctly.

Graphically I have some ideas but am open to programmer's ideas.

Script must be complete, completely functional, stable, and configurable.

Exact details to be given to winning bidder.

To speed up decision making process a list of past auction web sites created and references with contact info would greatly help.