Back linking Submission Site

High PR Web site list for Back linking :
http://tabulas.com
http://tblog.com
http://terapad.com
http://shoutpost.com
http://bloghi.com
http://mynewblog.com
http://netcipia.com
http://wikyblog.com
http://friendster.com
http://bigadda.com
http://blog.co.uk
http://blog.com
http://www.zimbio.com
http://gather.com
http://diaryland.com
http://edublogs.org
http://opendiary.com
http://sosblog.com
http://20six.co.uk
http://blog.ca
http://thoughts.com
http://blogskinny.com