On the iRex official blog, Karel has just announced the commitment for iRex to give DR1000S Adobe PDF and ePub support by quarter 4 of this year.
I think this is a good news, even if they
previuosly announced the firmware would have been made available in Q2
Source:
http://i-to-i.irexnet.com/2009/08/26...ort-coming-q4/