Our Sams Club Shark IQ has been amazing. The damn lab just seems to shed non-stop and this keeps our house from looking quite as disgusting.
It's our third go with each one we've tried getting successively better (our last one was a Euphy and it was a big step up from the POS we had before that).
But the dust collection is nice and the mapping/phone app feature is INCREDIBLE. Rather than do that silly bounce in erratic patterns thing that most do, it just drives to the room you tell it to drive to (when you tell it to drive there) and runs rows back and forth. Then if you just have it do the whole home it will.
If the battery dies mid-clean, it goes back to its station, empties its dust bucket, re-charges its batter and then picks up where it left off.
It really does a damn nice job. And when one of the wheel motors died, we called them and they sent us a whole new unit (so now we have spares in case another part gives out).