domain Please Appraise these few Sites for me.

[thecnews]

Would you please appraise these domain names for me? I am thinking about selling them off and people are asking me for fetchblog so ya...I would like to get the experts opinion about it.

1. http://fetchblog.com
2. http://fetchebook.com
3. http://tiyoo.com
4. http://findfreemusic.org
5. http://blogthings.info
6. http://marketingpenguin.com