Kinda bland and doesnt offer much.
No accounting for one thing..
For a free script you can try my other site..
http://webzstar.com
For a more advanced commercial version try me here:
http://gavelware.com..
Can be fully customized any way you like.
Heres an example:
http://superpetauction.com
Another
http://u-1.ca
Madclicker