There was just a webinar on sitemaps. Maybe that can help you 
Sorry I'm too new to give a good answer!
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RE: Are xml sitemaps still in use today?
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RE: Need a good Oracle friendly CMS to host our blog
I don't know how helpful this is (process of elimination perhaps :)), but we're not very happy with stellant. Everything just seems 3 times more difficult than it needs to be.