Fdhfdy: I found the tube on Ebay from an Aussie seller. It was relatively cheap too. I posted my findings in this thread.... http://forum.audiogon.com/cgi-bin/fr.pl?ddgtl&1207945057&openusid&zzMikeyc8&4&5#Mikeyc8
Bottom line - its now more dynamic, better soundstage, bass response, everything is better. Its an easy and cheap upgrade for this CDP.