Miike:
Welcome.? There has been a lot of discussion about the Ullr's Chariot here.? See the thread not too far down
I bought a pair and really like them.? My priority was a ski that had a wider waist but didn't give up to much on the groomed slopes, and they have lived up to that.? They aren't a powder ski and they aren't a front side carver, but they do everything pretty well and seem to excel in skied up powder.? They are a pretty beefy in the way they ski, I need to be moving pretty good in order to really bend them on groomed slopes; on softer slopes the width of the tip helps a lot with the bending and they are pretty maneuvarable in trees and in soft snow.
I'm sure others will post with the Kastle feedback, but they seem to be universally great skis; if you like the feel of the MX78 it is likely that you will also like the feel of the FX94 and there is a lot to be said for that.? The FX might even be a little bit softer than the MX78.
Do you have the ability to demo.? Ski Logik has a few dealers, mostly in Colorado-- check out their web page.? Maybe you should check around other Kastle dealers to see if they have the same FX94 availability constraints.