The name is Soribook(which means "sound book" in english) from South Korea.
Specs:
Cpu: 532MHz ARM11 Core
OS: Windows CE 5.0 Core
Screen: 6" E InkŪ Vizplex screen, 600x800 pixels, 167dpi, 8 grayscale
RAM: 64MB Mobile DDR
Storage: 1 GB Nand Flash(up to 2GB SD card)
Supported formats: HTML, CHM, TXT, PDF, DOC, PPT, XLS, RTF,
IDPF epub(in the future) , SONY BBEB(in the future)
JPEG, GIF, PNG, BMP, TIF(F) ,MP3
Battery: Rechargeable built-in Li-Polymer battery (1500 mAh)
10,000 screen refresh battery life
Connectivity:USB
Touchscreen
Dictionary look up
sd card Wi-Fi(supported in the future)
TTS(Text-To-Speech ) function
Size: 175.0 x 117.5 x 12.5 (mm)
Weight: 235g
Price: 380,000 Korean Won(about $404 in USD)
The unit is being sold to a limited number of customers only in South Korea,
and will be available generally soon.
I don't know yet about worldwide availability.
Soribook site
http://www.soribook.com/index.jsp