Like lots of people here, I have a range of basses -- 4's & 5's, fretted & fretless, etc. In responding to another thread, I got to thinking: if I had to get rid of all but one of these, which one would I keep? Would my choice be based on versatility, or would I choose the bass I enjoy playing the most and work around any versatility issues? Would I choose something I currently own -- or is there something else that might be better in a "one-size-fits-all" world? Are brand and model more important than "fundamentals" (e.g., number of strings, frets, etc.)? Curious how others feel about this question.