I've only ever used MTC with my KNK machines. I used to own a Silhouette and used their designer edition and liked it well enough, but never got as deep into it as I did on MTC. That being said, what are the big differences? I'm considering buying the $59 version of SCAL, but have read where people say it's not as good, but they are never specific as to why. If MTC is no longer going to be supported/updated, then it's time to move on to software that does have support. I use the wireframe feature of MTC often, does SCAL offer the same thing? Perhaps I'm asking in the wrong place. Just trying to get a feel for SCAL. Guess I need to buy it and just work with it.