I have never tried any of those, I have always wondered about them though. I pretty much always build all my coils the same way on everything, 5/64" drill bit. For years I have used 30 GA Kanthal, and shoot for a 2 to 2.2 OHM coil on everything. this Sophia V2 is just very weird to build on, I really have no problem making the coils by hand, it is just the way the coil mounts that is so hard, it is hard to describe if you have not seen one. I don't have any pics, because I don't want to show how bad this coil looks.

I saw a pic of another build that looked better that mine a few days ago, that might work better. They had the coil legs come off the top of the coil rather than the bottom, the way I was trying to do it. It looked like it might be easier to work with that way. I stole these pics from Billie, so I can show you what I am talking about, mine look no where near this nice after installing them.
KAS