hmm tried again it didnt work I ended up uncommenting the sid stuff and it installed the package but fails starting with

root@deb-m5v3d:~]calibre
Traceback (most recent call last):
File "/usr/bin/calibre", line 18, in <module>
from calibre.gui2.main import main
File "/usr/lib/calibre/calibre/__init__.py", line 22, in <module>
import mechanize
ImportError: No module named mechanize
[root@deb-m5v3d:~]

and here is my current sources.list

root@deb-m5v3d:/etc/apt]cat sources.list
# Squeeze repos are disabled by default due to problems upgrading
# some packages (gconf especially) in a Maemo 5 chroot.
# Re-enable these repos at your own risk.

deb http://http.us.debian.org/debian lenny main contrib non-free
deb http://www.backports.org/debian lenny-backports main contrib non-free
deb http://http.us.debian.org/debian squeeze main contrib non-free
deb http://http.us.debian.org/debian sid main contrib non-free
deb http://www.debian-multimedia.org lenny main
deb http://www.debian-multimedia.org squeeze main
deb http://www.debian-multimedia.org sid main
#deb http://http.us.debian.org/debian experimental main
#deb http://packages.tspre.org lenny main non-free contrib
deb http://packages.tspre.org sid main non-free contrib
#deb-src http://http.us.debian.org/debian lenny main contrib non-free
#deb-src http://http.us.debian.org/debian squeeze main contrib non-free
deb-src http://http.us.debian.org/debian sid main contrib non-free
[root@deb-m5v3d:/etc/apt]

is the answer knock down easy debian reinstall and try again? and how unstable is the extras-devel version? would I have a better shot getting calibre working from the extras-devel version?