Thanks for the detailed explanation. It sounds promising. I am nearly sure amazon will never update the kindle dxg firmware again but they will probably update kindle 3 firmware. So any way to run another firmware on our kindle DXG will help us then i guess.
The amazing part on running 3.2.1 on kindle dxg is the overall response of the kindle DXG increases. The device seems way faster. Amazon is such a bullshitter about the lack of hardware in kindle DXG in contrast to kindle 3 prevents the firmware update.