I would also say this is a great value. It is a really detailed, yet forgiving source for the money.
Just some tube rolling impressions this evening:
EH 6922 tube (supplied with delux version) is a smooth all-around tube. The bass is deep though a little loose, and the treble is a little forward. Some of the mid-range is a little grainy and recessed, but still rich.
Amperex Holland tube circa 1965 (pulled from old Tektronix scope, datecode 'Delta...