...a straight-fretted standard Fender Telecaster and a Strandberg Boden guitar equipped with TT-frets. If you haven't seen it yet, you have the link here
Mattias IA Eklundh (born 1969) is a guitarist and vocalist, known for his work with Freak Kitchen, Jonas Hellborg Trio and Art Metal; he has also produced several noted solo Freak Guitar albums released by Steve Vai and Favored Nations, and holds his annual Freak Guitar Camp in the woods of Sweden every summer for dedicated guitar players from all over the world. He was also prominently featured playing his trademark-style solos on the first four Soilwork albums. See video
True Temperament Frets VS Standard Guitar Blind Test - Are They That Good? See the video by Levi Clay.
A recently posted YouTube TT video made by Robin Flink describes what happens to a Fender Stratocaster when upgraded with a TT replacement neck. Check it out and see what Robin has to say about it: Here's the link