Hi all! I may be picking up a SIC Halo depending on the results of a pending purchase... I did read through the thread, but since I'm not 100% sure, please help me out if you can. The language on D-Nails website implies that the this nail is only compatible with "their" flat coil heater. I have an Auber RDK-300, but I don't have a flat coil so do need to buy something regardless. I figure I could just buy the flat coil from Auber, but want to make sure. Do you really need to buy D-Nails coil, or can I buy Aubers? (I believe they already use the same cable pin layout so, I'm assuming that is not an issue).