ok we are starting to decided on all the options for our new trailer. we are either going with a 7'x24' or a 8' or 8' 06"x20 'with side ramp. and floating gates, 24" nose. 2 air gaps, and L.E.D. lighting . but what others should or shouldnt we get. also should we get the plexi glass, or the hinged cover slats??