It's probably passed through these columns without my notice, but has anyone come across these?
http://eshop.amtelectronics.com/6l6-12ax7-amt-electronics-solid-state-tubes.html
Is the future of valves solid state?

http://eshop.amtelectronics.com/6l6-12ax7-amt-electronics-solid-state-tubes.html
Is the future of valves solid state?