There are rumors that Amazon are planning a new Kindle, to be available before christmas 2009. It will have a larger e ink display. The Kindle 2 has a 6" diagonal E Ink display, 600 x 800 pixels at 167 ppi, 16-level gray scale.

Kindle 2Kindle 2

The only problem? a larger e ink display will be much more expensive... The current Kindle 2.0 costs 360$.