Bah! Not True!!
I too have one of these machines, and I have to say I think its great. I bought mine from Harrods for £220 in the spring sale, no rubbish power converters here!
Yes, you need to pick up all the rubbish from your floor, but you have to do that before you vacuum normally.
Yes, you need to run it often for it to keep your carpet clean, however whats the problem, either schedule it or just click the clean button on your way out.
I couldn't live without it now, and its a damn sight cheaper than a cleaner!
Maybe you guys should go back to reviewing phones or random USB devices, as I think you've properly missed the mark on this one!