Not much cheaper than the $14.99 a month that auctionworks charges, considering that includes the storefront, photo hosting, auto-emails, auto-feedback...and the list goes on. No add-ons, it's all inclusive and extremely powerful. Also extremely customizable.
When (and if) you sign up, use my user ID (or email addy) and you'll get a 3 week free trial.
*JMHO* - to be taken with a grain of salt!