Let me first say that I like our Dyson V8 vacuum cleaner. We have three dogs and a combination of wood and carpet floors. For the past two years, the V8 has done its job pretty well. However, over time, the hardwood floorhead's wheels became more difficult to clean and more difficult to maneuver as the fur became tangled in the wheels. So we decided to buy new. The one we received from Merchandise Mecca is shown above on the right side of the photo. Pictured on the left is our original head…