We have a Dyson vacuum, and it sucks. In both bad and good ways. On the good side, it has better suction, with a far fuller tank, than any vacuum I’ve ever used. It’s also fairly light and easy to push around.
On the negative side, if you should ever happen to go against the nap of the carpet, it makes the most horrible noise. In fact, this is not our first Dyson. I took the first one back when I heard that noise. But apparently that’s “normal” for these vacuums. You’d think that for as much as the damned thing cost, it wouldn’t do that. We’ve had a host of cheapo vacuums in the past that never made noises like this, and they cost hundreds of dollars less than the Dyson. But, they didn’t last all that long, either.