I have a site that has serveral towns, we have over 500k pages and need a sitemap for each town that will list this information and load it to FTP. Pages are always changing, being added so this system should frequently load new sitemaps automatically.
http://gsitecrawler.com/ is a great example of what I need
I can of course provide computer or server to run a system like this
Not looking for you to create something from scratch, use 3rd party apps and set it up for us.
Ongoing work to utilize these pages, help with webmaster tools and indexing will also be available.