Top 20 dofollow Blog Posting Websites

Hi Friends
Some blog posting website both are dofollow and PR5=>
20 websites ;

http://blogger.com
http://wordpress.com
http://www.livejournal.com/
http://jigsy.com/
http://knob.google.com
http://www.squidoo.com
http://tumblr.com
http://www.weebly.com
http://webs.com/
http://blog.co.uk
http://hubpages.com
http://www.yola.com
http://www.jimdo.com
http://www.quizilla.com
http://socialgo.com
http://miarroba.com/
http://www.wiki.zoho.com
https://posterous.com/
http://www.webnode.com/
http://www.webs.com