Quote Ian Shere:
It's a bad move. You'll have the same H1 on every page - that's plain bad SEO. I don't know why Artisteer did it with the 2 header elements - quite obvious they either knew nothing, or though nothing, about SEO.
I have never use the site title or slogan for that reason. H tags belong (primarily) in the body of the page ad they're unique to each page.