I am skiing the WC laminate version of the IXRC 1100 in a 170.
They are flat out my favorite ski for hard snow.
They have a very predictable and controlable flex and they grip like crazy. I was at Copper Mt. training from October through November and even in the end of the day ice, they felt like I was in soft snow. They have the stability of a GS ski and they carve down almost as well as my iSLs in a shorter length.
The laminate version is way more hard core than the caps and you can't take them into the bumps, but I have heard good things about the cap versions since they are