I also have a rocketbook but don't use the OCR that much; my type of note taking / scribble doesn't need to be archived. However it is considerably easier to erase a big surface compared to regular notebook; easier even than the other (whiteboard-like) erasable notebook based on the Staedtler Lumocolor 305 pen (Bambook / Esquoia / Whynote). The writing feeling is also better.