well, one could easily say this is just a matter of your decision-making as a photographer. Based on the image size (can't really zoom in to 100 pct) things look ok. I'd look for color aliasing/fringing along the contrast lines, of course, and shadow/highlight detail.
the tone of the snow looks cool in my browser (safari) as compared to other elements, compared to the trees and other parts of the landscape. but to me, that's a matter of the "look" you want. Others may disagree. :)
David