The downside so far is that the bags are expensive at £2.50 each (with a bonus of a new exhaust filter with each pack of 4). The first one filled quickly but this is partly a dusty, old well used house and partly the suction power collecting dust which I am sure the other machines missed. Purchased from John Lewis for £239, it only comes with one bag from new, but there is a good collection of fittings including a turbo head which seems more efficient on large carpets. This promises to remove 99.9 % of the dust which I hope will be appreciated by my daughter who is affected by the dust. The test will be when she returns home from holiday to see if she ...  Read the complete review