* ... Compared to the reference mark, which dropped me after 5 years (motor: repair 2X the price of Dirt) Positive: ... it is much less noisy, small accessories (the former) are adaptable, his line up on the handle of the tube (practice) that hooks on the back for storage (practice), there is more manageable, easier to empty and maintain, seems more powerful suction ... Negative: ... but, floor / carpet brush less efficient (less wide), frictionless tube nesting click (Compared *), Extension system inconvenient to use (* Compared). Conclusion: ... 3-4 X cheaper than its similar (Compared *) it makes the same services in the end.