I know quite a few people have been wanting this, and many have been asking X-coils if they were going to do it, and it turns out they have been working away on it in the background experimenting with sizes and types of coils, and the first to be introduced is the 8" DOD coil compatible with the Axiom.  8" would be the coil I'd want the most for sure. A big bonus and something X-coils in particular wanted to take advantage of was the Axiom's discrimination abilities and by being a DOD