1.We mostly read documents in a pdf format,and reading pdf is not at all comfortable or suitable on this device.whereas kindle converted books which are only available on kindle store you can read without any fuss. 2.Over the warranty periods if anything happens with this device ,you will need to throw this out. There is no support or anything available in India for a kindle. Which is the most disappointing part. So choose wisely between new books and this device according your needs.