I did put it to the test at home. I have 2 Labradors and had not vacuumed for about two weeks (LONG story) so the carpet in the living room was pretty bad. Perfect for a test. I ran the shark over the entire carpet. Issue #1: to vacuum the entire room I had to empty the canister 3 times!!! It's S-M-A-L-L. But it was easy to use, very quiet, and I loved the swivel! Then I ran over the carpet again with my Dyson. Results
issue #2) the Dyson did pick up some more dog hair, but surprisingly very little. I'd say about 1/4 cup more. I was very impressed. Now, I'd never give up my Dyson, it did do a better job and I love it. But for someone that doesn't want to spend the $$$ for a Dyson I think this little Shark will make you happy. You may want to go over the carpet twice to be sure to get all the dog hair, but it's so easy to use and light I don't think you'll care.... as long as emptying the canister frequently isn't an issue for you. Many people seem to complain about this and won't recommend it just on that, I don't think it's a big deal.
Just so you know, I have no idea why there is a frown face after my results word, I didn't put it there! HA!