I only want 3 changes. 1) I want to mark books as "read" so they are in a separate list 2) I want a true 8x11 display area for PDFs 3) I want a slot for a mi

I only want 3 changes. 1) I want to mark books as "read" so they are in a separate list 2) I want a true 8x11 display area for PDFs 3) I want a slot for a micro-sd card to hold PDFS