I am in love! – I have had the UltraOne for 18 months now and absolutely love it, have never had an problems with it. I purchased it for around $600 and got a few bags and filters thrown in for free, my sister also bought one and loves hers too. Extra long cord which means I can vacuum my whole house without having to move it. Heaps of soft bumpers on the edges so you dont damage walls or furniture when you knock them with the barrel. The wheels on the barrel are fast and accurate, so easy to manouvre. Brush attachment for hard floors is great as is all-in-one attachment. Ultra quiet machine as advertised but does not compromise suction or power. Doesn't really have any cons. Minor things that bug me are the buttons on the remote have to be pressed quite hard and only in certain spots to work. The cable is slow to wind up and seems to get stuck in certain spots. The hose is really long which is great but means its difficult to store. The power head leaves lines in the carpet.