I have one. took a long time to arrive ~4 weeks.
All that I have read from folk who have this brush from this same vendor has been VERY positive.
I speak VERY well of it.
Get one.
Here's a pic
next to Tryphon 24mm knot prototype.
http://img.photobucket.com/albums/v1...r/IMGP0726.jpg
nicely dense.
http://img.photobucket.com/albums/v1...r/IMGP0735.jpg
Yes it is a lineup measurement :)