Angi

Lotta 60's to 80's Rock, Various Comps, and Best of's
formerly 66blog
http://rockangi.blogspot.com/

defeated sounds

Lots of different stuff. Avante-garde to well known releases.
http://defeatedsounds.blogspot.com/

Rafter Lights

Lotta different stuff. Nice consistant output of albums you usually won't find in other places.
http://rafterlights.blogspot.com/

Music Is The Key

Classical Blog http://orchestralworks.blogspot.com/