If you could turn back time...... what concepts were left on the shelf that should have been productionized. You nominate vehicles in two ways. <br> <br> <ul class="bbcol decimal"> <li>A concept that was close to production ready, but never made it into production</li> <li>A concept that was close to production ready, but the production version watered the concept down too much and lost all of the appeal the concept had.</li> <li>An