Forums / Cotonti / General / GenSitemap or Cotonti URL Modifcation

The day we will move our website to Cotonti comes closer and closer but I am a bit uncertain about this Cotonti URL Modifcation which is included with Cotonti.
If I use the Cotonti URL Modifcation do I still need to use GenSitemap? I cant see where the Cotonti URL Modifcation does submit sitemaps to google, if even.
Do you still need to submit sitemaps if you use the Cotonti URL Modifcation? Or would that be unneeded cause of how good the Cotonti system is?

And as far as I understood from searching GenSitemap does not work in Cotonti and since there is no replacement (except some plugins which will make google punish you I guess if they see you use it) I am a bit unsure how to go from here as soon as the site goes public.

We are using the GenSitemap right now and I am kind of pleased with the results. Our site is on top with almost everything, not to mention if you search for specific files. We are placed very high with google (not talking pagerank though ) and I really don't want to loose our placement.

Some feedback about this would be appreciated