http://www.detailingbliss.com/forum/f39/really-cheap-thickness-gauge-1703.html http://www.detailingbliss.com/forum/f15/paint-thickness-gauge-988.html http://www.detailingbliss.com/forum/f79/paint-gauge-cheap-2709.html
It could be a good tool for those who dont need accuracy and just want to be able to distinguish between OEM and resprayed panels.
It seems to be only a temporary thing, at least for me anyways. I still don't have a PTG but I'm thinking I'll probably end up going with a Highline or DFT.