Hey guys, I sell Kastle and the MX 83 is a challenging (read stiff) ski for PMTS. The 78 and 88 are more similar to each other, with the 78 being a lot easier to tip with it's more moderate width. As Max said, the Head R & R is better off piste than the MX 88 (good on piste), but if on piste, why go so wide? That said, the 88 is versatile and fun, just not really the best PMTS choice. SO...... get the MX 78, or consider the Head SS Magnum. At 72mm and a little softer and having slightly more energy and a shorter radius than the Kastle, a good choice. The Kastle will be better perhaps on harder eastern snow, say Cannon Mt
in January when the wind is howling!!
later,
Richard