The 16e FW is the final release and has been stable for some time now.
It includes the Adobe Reader Mobile 9.1.1 reading software and has all
the beneficial features that are talked about here.
There are a few things you might want to consider to get the most out
of your new JBL. I will edit this post to bring in some of my earlier efforts
with descriptions of things that have been useful.
To be added:
Things to get for your new JBL:
Rechargeable Batteries and a charger
http://www.thomasdistributing.com/
A USB2 based SD/SDHC Media Reader for you PC
http://www.geeks.com
The slip-on leather cover (don't have a source, but Newegg had them for a while)
Things to do to your new JBL:
Copy the internal memory to a folder on your PC, as a backup and to thin out the
provided ebooks (I just use a 4GB SD card for all my ebooks and leave the internal
memory mostly empty)
Format the internal storage to FAT32.
(a Windows PC will recognize the internal memory as a FAT partition and give it a
Drive Letter, when you connect to your PC with the USB Cable, from there you can
treat it as a drive and use the PC's drive & file/folder management tools)
Learn how to access the built-in diagnostic screen (for both the JB & the JBL)
Luck;
Ken