So who subscribes to many of these? have any good URLs?

(For the uninitiated, mp3 blogs are just like normal weblogs where the focus is music and the person posts an mp3 track or two with their posts. Not whole albums or anything just sample tracks, and usually only only left up for a week or two)

A few I'm currently subscribed to:
www.gabba.cc
lemon-red.blogspot.com
prancehall.blogspot.com
tofuhut.blogspot.com (has loads of links to others)
hype.non-standard.net (big aggregator)