The blogs here generally double as newsletters or contain news about genealogy, including research methods, resources, and facts about various places or names.
Regular Blogs
Contains advice and entries about researching family trees, news about genealogy, and resources, both online and in the real world.
http://genweblog.blogspot.com/
Historical Melungeons, Native Americans, Appalachians
Presents news and historical documents as well as various articles about researching family histories.
http://historical-melungeons.blogspot.com/
New Mexico Genealogical Society Blog
Provides resources for those who wish to research their family trees and delves into the reasons one might want to join the society.
http://nmgsblog.blogspot.com/