Yes, the daily appears to be in /etc/apt/sources.list.d (see below). So even though ubuntuzilla is my sources.list, this entry is over-riding it? If I remove the sources.list.d entry, and do an update, will it revert me to the Ubuntuzilla version?
The command used to launch firefox on my system (e.g. what's in the launcher), is just: firefox
However, this appears to trigger multiple processes (see system monitor below)
[IMG]http://www.tpchealthcare.com/downloads/ff-systemmonitor.png[/IMG]
docky-core-ppa-karmic.list
docky-core-ppa-karmic.list.save
google-chrome.list
google-chrome.list.save
medibuntu.list
medibuntu.list.save
mozillateam-firefox-stable-karmic.list
mozillateam-firefox-stable-karmic.list.save
opera.list
opera.list.save
pidgin-ppa.list
pidgin-ppa.list.save
spideroak.com.sources.list.save
stebalien-simple-service-manager-karmic.list
stebalien-simple-service-manager-karmic.list.save
ubuntu-mozilla-daily-ppa-karmic.list
ubuntu-mozilla-daily-ppa-karmic.list.save
ubuntu-wine-ppa-karmic.list
ubuntu-wine-ppa-karmic.list.save
wine-doors-dev-team-ppa-karmic.list
wine-doors-dev-team-ppa-karmic.list.save
xsisqox-ppa-karmic.list