Also there is Rss2Blog that you can probably buy around somewhere with article plugin... This strategy can work, but you need some good inbounds and at least some original content. B/c I've found straight duplicated content doesn't do much at all...long term.
I've had a few of these automated blogs that scrape feeds, use my blogs feed to fill up their blogs with my content without even linking back the me, it really peevs me off. When I confront them their answers is usually "well it's a feed and I can use it if I want, that's why it is there" I don't really understand that answer because they are making "webpages" out of my writing and even my titles with no change to the text at all. Most that I have come across have no origional content at all just a bunch of posts from different blogs made from their feeds. I don't know how harmful this could be but it can't be any good, especially with out a backlink to the source.
I wouldnt go for automated blogs for a simple reason and that is .... High risk of being banned by Google. As the content counts as duplicate and isnt of quality. Besides that, these blogs dont generate more than a few cents or a dollar in revenue per day. So work on some quality stuff and get quality income ....