I have very recently tried my very good 300B SET (Coincident Frankenstein MkII) on the Tannoy, and they play very well indeed, but the PushPull 211 DHT have done a much much better job. For price/quality ratio on these West.GR, the PP211 DHT are not less than excellent in my opinion - never tried 845.
I have received my Gryphon Mephisto a few days ago, and now it just is far ahead in all audio terms, not comparable to anything i had.
However, not yet got the "perfection" i am seeking, but still running-in and fine tuning with different preamps, and power cable which makes such big differences. I am nearly "THERE"...!
Will keep all posted when final installation complete in a few weeks.
Cheers