[Via Arpan Shah]
At TechEd Orlando Skelta, announced that they are providing a lite version of their workflow product with seamless integration with MCMS. You will be able to run 25 concurrent workflow processes at any given time - which should be sufficient for most web content management implementations. ETA is planned for end of July.
See here for more details: http://www.skelta.com/skelta-cms.aspx
Best part: This lite version will be given away free of charge!