Full height cabinetry allows for easy concealment of brooms/mops/vacuum cleaner. Having the washer and dryer separated creates more benchspace in an already tight area. Perhaps framing the dryer with cabinetry would create a more streamlined look.
Love the pull out shelf idea -- been trying to figure out how to get a folding surface in my tiny laundry. Replace with single dual function unit and use the upper portion for laundry, Pull out sewing machine storage under table.