eInk DPI and LCD DPI aren't really directly equivalent in terms of readability. And this is a specialized device that seems much more suited to the type of wor

eInk DPI and LCD DPI aren't really directly equivalent in terms of readability. And this is a specialized device that seems much more suited to the type of work it's designed for than an iPad is. The iPad doesn't even support a stylus (except for the big nub stylus, which is really more of a stylized finger replacement).