Well,
wary of the hacker edition HE2007 of the firmware, after reading it "solves" the switching on problem, which I don't have but did on a 770 I returned to Amazon - I decided to try a python install
After installing the maemo python base repository at this address:
http://pymaemo.garage.maemo.org/installation.html
The evince installer that I downloaded from here:
http://etrunko.blogspot.com/2007/04/...in-extras.html
Looking in App. Mgr. Evince is suddenly available for install.
Installed and reading a PDF as we speak!!!
Thank's all !!!
(Now what's the next app. I need? lol)