I have been looking into this tool off and on for about 6 months. I have been using a digital soldering iron for edge glazing with some success. I thought I would look one more time when I found a pyrography tool from Janik that (I believe) takes the same tips as the Mando unit.
They were so cheap I couldn't keep myself from ordering a couple of them along with the tips used for pyrography. I thought that if the Mando tips fit in the handles, I would splurge for the real tips, use these cheapie