I have Norm's inserts, and like them a lot. But If cost was not a concern, I would choose the Tesland inserts.
The Tesland inserts have an elegant, fine brushed structure, while Norm's product has a random brush pattern. Norm's cut-outs are not as precise as those shown on the Tesland pictures. It also seems there are fewer steps to install the Tesland product. Unfortunately, the higher product and shipping costs made Tesland too expensive for me to justify.
It's nice to have choices, though. Norm's solution is both good and affordable. But those who want high class looks should go with Tesland.