Lesen.net just posted a brief video of the B'ook (pronounced Shu-Book), a new dual screen reader by 1Cross. It's a dual screen, notebook style MID that runs Android. The product listing says that it has Wifi, Bluetooth, an accelerometer, camera, and that GPS and 3G are optional.
After looking at the product leaflet, I can that the B'ook has a number of interesting differences from the Astri MyID. The B'ook is hinged so it you can fold the 2 halves back to back (the MyID can't). The B'ook has a 6" E-ink screen paired with a 3.2" LCD, and the MyID has a 5" E-ink paired with a 4.8" LCD. It also looks like the B'ook has a touchscreen keyboard below the LCD screen; now that is an odd design decision.
I still like the smaller form factor of the MyID, but the B'ook has that bigger keyboard and it could be better at input.