I really didn't bond with a Warwick Thumb 5 string Broad Neck that I had a few years ago. My brother and I have been through a few Warwick Thumbs. I still maintain that the best of them was a 1998 4 string bolt on model. That had a slim wenge neck and a really focused, punchy tone. The 5 string BN on the other hand, was pretty much the exact opposite. The neck was just outsize, not so much in terms of width but depth. Yes, it's a broad neck and the 20mm spacing was expected and not uncomfortable, but there was no real reason for the neck to be as deep as it was. That, combined with the sharp 'D' profile meant that it was fatiguing to play in the first position. It had two big soapbars that gave a really muddy, indistinct tone. Where a Thumb should be really tight and middy, this just wasn't. I didn't keep it all that long.
The other notable one, which is one I thought I would really like, was a Zoot fretless. It had all the right ingredients for me - solid maple body, graphite neck and Bartolini electronics. For whatever reason, it just sounded lifeless. I don't know if it was the sheer density of the maple body, but it just didn't seem to resonate freely. Whereas I had wanted loads of midrange, the tone was pretty broad and flat. It certainly didn't jump out at me. I tossed around the idea of selling it for a while, because I really liked the spec, it played very nicely and looked gorgeous. In the end, the tone just didn't grab enough to make it feel like a keeper. Both my fretless basses now have solid maple wings and they sound amazing, both are keepers!