Some more blogs:

http://tabletschool.blogspot.com/
http://labs.vivi.eng.br/blog/
http://www.maemopeople.org/index.php/MTblog
http://nokian800.blogspot.com/
http://flors.wordpress.com/
http://www.maemopeople.org/
http://technorati.com/tag/N800
http://maemofr.org/
http://schmots.blogspot.com/
http://deadsilversky.blogspot.com/search/label/n800

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# And some repositories i'm using right now: (my sources.list basicaly :P)
deb http://catalogue.tableteer.nokia.com/certified/ bora user
deb http://catalogue.tableteer.nokia.com/non-certified/ bora user

deb http://repository.maemo.org/extras bora free non-free
deb http://repository.maemo.org/ bora free non-free
deb http://repository.maemo.org/contrib 2.0 free

deb http://repository.maemo.org/rtcomm bora free

deb http://maemo-hackers.org/apt bora main

deb http://www.fbreader.org/maemo bora user

deb http://mg.pov.lt/770 bora user other

deb http://www.mulliner.org/nokia770/repository/ bora free

deb http://idefix.go-nix.ca/nix/ bora pidgin

deb http://tuomas.kulve.fi/debian bora maemo

deb http://openbossa.indt.org.br/canola/...ory-beta2/bora bora user

deb http://maemo.jabber.dk/pidgin-n800-led-plugin bora user

deb http://www.cobb.uk.net/apt/ bora user

deb http://scriptkiller.de/apt/ mistral main

deb http://anderenen.de/repository bora free

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

# Those are just from garage...
deb http://gjiten.garage.maemo.org bora user
deb http://maemocjk.garage.maemo.org bora user