I'm using my RM2 as an e-Reader, after installing Toltec and KoReader. And it turned out to be the best e-Reader I've ever used, the sharpness of the text and the form-factor are perfect for long books.

But their note-taking software is just crap. They have very weak language support, no Chinese, no Russian, or any other languages with non-Latin scripts. They don't even have software keyboards for them!