The SC3C is not new, but we had stopped bringing them into the USA for stock. However, it is back now for this year. It adds to the lineup for short stroke machines, since the SC4E 5.5' was discontinued. The major difference between it and the SC2C is, we bring it in with a "panel saw" cabinet, so you'll have more support under the slider, a telescopic boom arm to support the larger outrigger, and we also bring it in with more options as "standard" for the USA (the stock configuration). Basically, we built it to replace the SC4E 5.5', and the SC3C is available in two strokes here in the USA, 66" and 88". It really takes up the gray area of any cabinet saw, and depending on where you mount your outrigger it can be a 36" stroke machine or a 63" stroke machine (66" for straightlining - no crosscut fence). If you limit yourself to the stroke you think you want most of the time, you won't have any extra for when you want it, so I usually recommend you go as long as you can on a slider. And the SC3C comes with the separate miter gauge, which can be your go to configuration without the outrigger installed, so much less space will be intruded on most of the time.
It is easier to be imperfect and plan for it, than to try to be perfect and swear at it.