An RCA 3-RF-91 is about as good as it gets, and they can be had on the bay pretty good. The 8X7X's have tiny speakers, but the 3-RF-91 has an 8" speakers with great sound and a tone control. The 8X71 doesn't have a tone control.
Here is my thread on the 3-RF-91.
http://www.audiokarma.org/forums/sho...d.php?t=233054