How does it compare with Pandoc[1], which is the swiss-army knife of Markdown-to-foo converters, and also handles presentations.
But that doesn't mean there isn't room in the world for both projects. Pandoc strives to be a universal converter, and that means there are certain things it couldn't / shouldn't do. For example, you could add special kinds of slide effects or transitions to Cleaver's markdown dialect that wouldn't be appropriate for Pandoc.