Similar ground being covered on this thread:
http://www.audiocircle.com/index.php?topic=77811.0I posted more thoroughly there, but in short, for great performance and reliability at that price (used) be sure to consider: Eastern Electric Minimax and JuicyMusic Peach.
Minimax definitely has 2 pair of outputs. I don't know about the Peach. If you find one you like w/o two pair of outs it is not necessarily a deal killer. Any competent tech s/b able to add another set of outs for reasonable cost.
These are the ones I have direct experience with. There are many others.
Not much out there in the way of reviews and user comments, but this JJ-243 intrigues me.....a lot! Very interesting in how it has three different pair of outputs for better system matching. The few comments I did find were favorable. Great looks, and could be good value if you are willing to take the risk of a lesser known piece.
http://www.audiogon.com/cgi-bin/cls.pl?preatube&1270321640&/JJ-243-With-PhonoPS: I know for a fact that one of these sold a few months ago for less than his ask.