i can't say anything bad about Dyson vaccuums, mine copes so well with anything you throw at it. We used it recently on our scout hall in whihc the carpet had not been vaccuumed for a good few years and it glided through and picked up everything, some long strands of capet fabric got caught on the brush but they just pulled right off. I shall say no more but that guy must have had a seriously faulty Turbo Head, the brush did seem to be labouring somewhat.
Matt