If you're looking for cheap and have good potential website these sites are good to start with. These sites are using wordpress cms. They are new but I have made link building already to the sites.

http://www.alternativeenergystudies.com Starting offer $30 - BIN $40
http://www.americanhistoryarchive.net Starting offer $30 - BIN $40
http://www.afterschoolactivities.net Starting offer $30 - BIN $40
http://www.stopairpollution.net Starting offer $30 - BIN $40
http://www.affiliatesuccessezine.com Starting offer $30 - BIN $40
http://www.affiliatemarketershowto.com Starting offer $30 - BIN $40
http://www.affiliatemarketingezine.net Starting offer $30 - BIN $40
http://www.affiliatemarketingonthenet.com Starting offer $30 - BIN $40
http://www.whatisadsense.net Starting offer $30 - BIN $40
http://www.advertisingforumlas.com Starting offer $30 - BIN $40

all domains were registered at name.com push is free