Delta Electronics is showing their e-paper roadmap for 2011-2014. The company is ready to mass produce color e-paper panels - up to 21" in size. These panels have been showed earlier this month. The company will improve the color count from 4096 to 16.7M by next year, and will also improve the panel's reflectivity and writing method (which will make them faster). By 2012 the company will be able to make 32" e-paper panels.
The more interesting news is that the company has start sample production of flexible e-paper displays. by 2012 they will start 'semi-production' of 10" panels - and mass production will start in 2014.