I 2nd what Grzepa said. I recently bought dragonscripts dragonlist v2.2, and it's doing exactly what I wanted to do. It has some nice features, such as the option to show your submitters stats, let them edit/update sites, list partners automatically if you wish, as grzepa said, keyword based searching, bulk site importing, and more. Good support from Mishi.
It'll set you back about 325.00.
