You are so right, but remember it's not easy I'm an addict!!!!!!!
Come on Glenn you better visit soon and check what is gone or any new additions.........
Plus I learn a lot every time we meet not to mention the good time we always have.
You can strap them as triodes, and the ones made by WE are not bad.
You can find cheaper STC or Philips versions or even their 328 cousins at 7.5V.
I have been using both types for sometime now.
Your set up looks very sexy Lieven with them things on the top..............