I have very limited experience with tube pre amp hybrid heads. Some have 2 or 3 pre amp tubes, which isn't that far off from what a all tube amp would have. However, there are a couple hybrids that have exactly ONE tube. The highly suspicious, skeptical part of me thinks that this might be more of a gimmick than something that translates into real tone. So I put it to you, the amp hoarding TB players: do you think, or know, that having ONE pre amp tube really makes that big of a tonal difference? Do you have, or have had, an amp you really liked that was a hybrid like this, and did the single pre tube do something for you, or did you just like the amp in general? Do you think just straight up SS (either A\B or D power) is more or less the same?