Bridal Show Web Site - Editable by Admin Panel

We are needing to develop a web site for bridal shows that we host. ? The web site will have multiple pages including a page that lists all of the vendors by category. ? They will have live links on this page. ? Example [login to view URL] ? or [login to view URL] I would like to have some admin controls to edit the vendor list, edit the home page, edit the upcoming bridal show etc.. We are looking for a good deal in price. ? We want to see mock up screen shots with design ideas before going with a certain designer.