Today's industry standard has been nick named the 4x4, in reference to the four inserts positioned in the shape of a square. The most important piece of equipment in your closet is your boots. Buy from a reputable manufacturer and avoid the bargain basement. An obvious mistake that will dramatically hinder your performance is a disproportionate stance width. The freestylers mistake is to go too wide and the racer mistake is to go to narrow.
Snow blindness is serious business, which involves the burning of the retina.
You must wear goggles or glasses at all times while enjoying the mountains in winter. The harsh, high altitude sunlight is strengthened by the reflection off of the millions of tiny snow crystals. It does not have to be bright sunlight to get snow blindness. Work with your local shop on a deal like this before renting and away from the other customers if possible. Never go into the trees or off piste alone.