Top 7 High Page Rank Blog for Commenting

Here is list of top 7 high page rank blogs list. 

Blogs commenting is a good way for getting higher backlinks for your website or blogs. here is top 7 blogs that you could get relevant backlinks.
http://www.cnet.com
http://avc.com
http://www.bothsidesofthetable.com
http://www.bothsidesofthetable.com
http://www.feld.com
http://www.wired.com
http://mashable.com