Originally Posted by The-eBook-Reader
Tough question. I do a lot of writing so I like to use the 600 to get away from the computer and work on editing with the note-taking feature.
But when it comes to reading ebooks I like to use the 300 because it's so light and comfortable to hold. Plus it's screen is clearer and easier to read at night with a small lamp before I go to bed.
The 505 was my first ebook reader and I loved it but I gave it away to a friend now that I have the 600 to take its place.
In short, I use the 300 most for reading and the 600 more for work.