shinkamui, yes and no. you can see progress here
http://www.entourageedge.com/forums/...ustom-firmware , but I didn't finished 'cos worked on another projects.
kveroneau, if you kill (hangup) ereader/journal app and then shutdown device the image on e-ink will stay unchanged. But you'll need to root your device and install an terminal in order to be able to do this.