I received a couple of comments on my post Choosing a Blog Platform with additional info on two of the blogging solutions. In case you missed the comments...
From Steve Jagger...
Uberator starts at $9.99 and there is no setup fee and everyone get the first 30 days free. Here are a couple of sites that run on our system:
Chris Frerecks of Real Estate Blogsites added "we've recently rolled out a new, very affordable [$399 build/ $49 per month], business- class blogging platform which includes basic services and education at no additional cost."