I read mostly library books, so I really did like the T2 since I could save the notes to an rtf file from my desktop or to Evernote from the T2, but KP1 also saves your notes from the library book to your account via the following website(the notes are saved even after the book expires since I guess they hope you will buy the book from them):
https://kindle.amazon.com/
In the winter, I like the KPW lighting, and my library is supporting more and more Kindle formats, so I don't have to use the T2 much anymore. Hope this helps.