Examples:
http://slashdot.org/
http://www.antitext.com/index.html
http://typographi.ca/
webben.blogspot.com Arch student blog
http://www.australianinfront.com.au/ Macromedia weblogs
http://www.australianinfront.com.au/ - design news
Systems:
www.movabletype.org
www.blogger.com
www.livejournal.com
php-forum.com
References: