I'd agree with Keith that midwest snow conditions favor wax skis rather than no-wax skis. My understanding is that no-wax skis perform better in areas where snow conditions change frequently as you ski. For example a friend of mine in Seattle swears by no-wax skis for his area as the snow changes consistency one mile to the next. In the midwest on any given day the snow is basically the same on any length of trail.

Waxing takes but a few minutes of time and is easy to learn to do. Keep it simple and stick to a handful of waxes. You can make this as easy or as hard as you wish.