Coming late to the party and throwing my .02 in the mix (you'll probably want to give me a penny back)
I skied in the Krypton Kryzma for 3 years and loved the playful nature of that boot.
Last year I switched to the Tecnica Bushwacker (see my review in my signature)which is a 110 flex, little wider last than the Kryzma, but a better overall shape for my foot.
While was training for my PSIA L1 I found the Bushwacker to be much better for rolling over on the edge of the ski and easier to demonstrate with. Yes, I did switch to the Kryzma just to compare the two and while I found the playful nature of the Krypton and passion for finding little things to pop off of, I liked the performance of the Tecnica Bushwacker much better for performance and precision.
*One more thing, for teaching, I really really loved the walk feature on the Bushwacker, especially since I hiked up and down the bunny slope about a million times on Christmas day last year.
**The shape of my foot and fit of this boot for me is a whole different talk show topic, and I'll probably get another boot this year to compliment the slackcountry boot and it will probably be an inferno or spitfire or maybe even the new Kryzma with the shapely shell, and I'll probably grind the heck out of it just like I did in the Kryzma.