The string spacings on the 5 and 6 string wide taper basses are the same. I also have a wide taper 4 string which I love; unfortunately I've been without it for the past 10 months. Since it's been away, I've been playing a couple of narrow spacing 4 string basses, and I've grown accustomed to the narrow taper neck. Just as different scale lengths have their advantages and disadvantages, so too do the narrow and wide tapers have their advantages and disadvantages. Admittedly, I primarily play four string and only recently have been playing the six string with any frequency. I've never played a narrow taper six string, so I don't know that I will actually prefer it. It's been a long time now since I've played my four string wide taper bass, but I imagine that when it returns I will still love it. One other thing about wide taper six strings, and this was touched on by another member of the club recently, the massive neck does have an effect on the tone. An open E on the six string is a lot bigger sound than an open E on the four string.