I guess it's a matter of preference. I really like them. I have 2 that I use on a regular basis, and the ones that I've given to friends & family have been well received. At 1st I didn't care for the look. They looked to plain. But you can really change the look by doing a custom fake centerband, or some segmenting.
Here area few that I did.
People that don't work at a desk really seem to prefer click pens. So there is a real interest in finding something that's built well.