Obviously tablets have a major advantage with being able to install apps and being better suited for larger / color content like magazines, PDFs, and comics. (blog.the-ebook-reader.com)
Includes color content and images, projects and application questions and activities designed for learning to control anger. (whatsgoodaboutanger.com)
Their ecosystem is fairly well developed and they offer self - published titles under the Nook Press banner and full color content optimized for the Nook HD. (goodereader.com)