Yes, you should go for tubes with the Focals. I had the smaller brother to the 836V years ago. The treble was a bit hot but the sound was so open and clean.
+1 for Rogue Audio. Have a look at Jolida 3502, have used one for over a year now without issues and it sounds great.
+1 for Rogue Audio. Have a look at Jolida 3502, have used one for over a year now without issues and it sounds great.