I cannot download the firmware from Jinke, and this is a recurrent problem for me. Luckily I have found a mirror here:
http://cli.gs/TM73Y
The interesting new feature: ADE (PDF) with 9 zoom levels. Not as good as it could be, but better nevertheless. I'd like a Reflow on/off switch.
I've read some info on a Spanish forum that rtf display is (at least partially) broken.