If you mentioned H.D. tube cameras, I'm curios how the image provided by one is.
In Europe we had "Bosch" KCH 1000. Plumbicon and saticon. Never seen images taken with one.
B.t.w., some tube cameras had very vivid colours, which I like. On youtube I've seen only C.C.D. camera (an 1989 "Sony") with vivid colours.
Can you find Betacam (not Betacam S.P.) cassettes today?
And can you plase post some images filmed witn your "Sony" BVP-30. 
Dind't saw on youtube any filming wiht one such camera.