Hi Whizzy and welcome to the forum! You can copy the form to the 5 libraries and it will automatically shred the xsn and promote the columns, no problem. For the URL, you'll have to modify the manifest programmatically before publishing. There was recently a good article on the MSDN blog with some example code showing how to do this, but we should probably put a tool on our website.
We'll look into creating a deployment wizard for this scenario over the weekend.
Thanks for your patience.
Patrick Halstead [InfoPath MVP]
InfoPathDev
Patrick Halstead
Project Manager at Qdabra