The required php and asp levels are not available on our hosting platform and would necessitate altering our urls to move onto a server/hosting package accommodating such. <snip> there is no MySQL DB on this server
Just how much are you saving by staying with this host?
And why would you need to alter your URL? You might need to change it once if you're currently using a subdomain under someone else's domain. But once you've got your own name, there is no reason to change anything ever.