I had the eb1150 for a short time, lost it on vacation, bought a used reb1100 and loved it but when the new sony came out I just had to have it so I sold my reb1100 and bought the Sony, kept it for a couple of weeks and sold it.
Now I am going back to the reb1100.
The sony has a truly beautiful screen but lacks the feature I love the most.
A backlit screen.
I have found that I do most of my reading at night.
I truly love reading in bed but my wife is a very light sleeper and finds it nearly impossible to sleep with a light turned on in the room.
However, with the room in total darkness and my reb1100 backlight turned down to the lowest setting we both are pretty happy.
Until someone adds a backlight to an e-ink display I am sticking with the reb1100