1- What do you think is the coolest gadget for the reader?
2- What is the best or coolest piece of software/add on for the reader you find?
So far my contribution to this thread would be Sudoku.
http://www.msh-tools.com/ebook/sudoku.html
Someone on this forum told me about it, and I just love doing something else than reading books on my reader!
As far as gadgets, I don't know if there are many... Probably the light or the leather deluxe pocket is the best!