here's mine from my 770's 2.2006.39-14, along with comments for the unreliable ones:

#maemo:essential
deb http://catalogue.tableteer.nokia.com/certified/ mistral user
deb http://catalogue.tableteer.nokia.com/non-certified/ mistral user

# maemo garage:

#deb http://repository.maemo.org/contrib mistral free non-free
#deb http://repository.maemo.org/extras mistral free
#deb http://repository.maemo.org/ scirocco free non-free
#deb http://repository.maemo.org/ mistral free non-free

# Maemo Mapper, load applet, etc
deb http://repository.maemo.org/extras/ mistral free non-free
#deb http://repository.maemo.org/extras/ scirocco free non-free

# others from the wiki:

# Maemopad, osso-xterm, Python, others
deb http://repository.maemo.org/ mistral free non-free

# FBReader
deb http://only.mawhrin.net/fbreader/maemo/ mistral user

# GPE Calendar, GPE Contacts, GPE Todo
deb http://downloads.kernelconcepts.de/maemo2 mistral free

# maemo-gaim, osso-xterm, osso-statusbar, xchat
#deb http://maemo-hackers.org/apt/ mistral main # gpg signatures couldn't be verified 2007-05-04
# for above - also, it breaks something when merging in apt-get update

# sobexsrv xtris btaudit iphome xkbdbthid nmap wirelesstools dsniff socat aircrack-ng olsrd
deb http://www.mulliner.org/nokia770/repository/ maemo2 free

# Glurp (MPD client), others to come
deb http://www.oakcourt.dyndns.org/maemo/ ./ # gpg signatures couldn't be verified 2007-05-04

# dates
deb http://maemo.o-hand.com/packages mistral/

# screen, mc, dict; becomeroot, vim, some others
#deb http://mg.pov.lt/770 mistral user other
deb http://mg.pov.lt/770 mistral user other experimental

# minimo
deb http://home.ufam.edu.br/~agan/minimo/ mistral/

# canola
#deb http://openbossa.indt.org/canola/repository/ mistral user # failed with 404 on 2007-045-04
#deb http://openbossa.indt.org/canola/repository/ scirocco user # failed with 404 on 2007-04-12

# battlegweled crazyparking doom icebreaker maemodrac maemosweeper tuxpuck
deb http://marceloeduardo.com/apt mistral games

# sqlite3 libsqlite3-0 libreadline4 kismet becomeroot btscanner pipepanic privoxy locales-extras-polish gpesyncd
deb http://eko.one.pl/maemo mistral user

# eightyone wifiinfo pushit
#deb http://www.anderenen.de/repository scirocco free
#deb http://www.anderenen.de/repository mistral free # failed with 404 on 2007-05-04

#these aren't listed in the wiki:
deb http://bgran.net/etrunko/apt mistral user
deb http://scriptkiller.de/apt/ mistral main
deb http://hl.homelinux.org maemo/
deb http://www.math.ucla.edu/~jimc/nokia770 mistral user # gpg signatures couldn't be verified 2007-05-04
deb http://www.maemo.org.br/VoIP/apt mistral main
#deb http://maemo.org.br/platform/apt mistral user # Could not resolve 'maemo.org.br'
#deb http://people.freedesktop.org/~skaboy/maemo/fuse mistral user # 404 Not Found as of 2007-04-12

# this is source code stuff:
#deb-src http://repository.maemo.org/ bora free
#deb-src http://repository.maemo.org/ scirocco free

deb http://www.claws-mail.org/maemo mistral user