Looks like this Shareaza is becoming the place to get High Quality mp3 and ogg.
I never liked Gnutella but this client is something special.
You should check out these posts in the Shareaza forums:
http://www.shareaza.com/forum/viewth...ID=3389&Page=1
http://www.shareaza.com/forum/viewth...ID=3416&Page=1
This could turn in to some really nice!