A bit has changed since my last reply. I now have a Siberian Husky and still have a Golden Retriever. Thanks to the Husky my house looks like a snow globe during shedding season!
I vacuum at least every other day sometimes daily.
I picked up a Dyson recently on Meh.com for $150 (refurbished by Dyson). For the price I couldn't pass it up.
Likes:
The ball freaking rocks! I love how maneuverable it is.
It gets all the hair out of the carpet in no time.
It is very easy on filters. In comparison I had to clean the filters on my Bissel (still like that vacuum) every other time I used it. The Dyson rarely needs cleaned.
I like how the roller brush spins even on tall carpet. Some of the other vacuums I've used have a difficult time spinning the brush on tall carpets and that quickly fries the belt.
It cleans right up to the base boards.
Dislikes:
I dislike the suction hose because it collapses while in use. I have to stretch it back out often which is a big pain especially when cleaning the cars.
Yeah it is gimmicky.. and some things are over engineered imo.
Again the suction hose is a pain because I have to disassemble it (everything snaps together) when I need to use it. A little more complicated than I'd like.
Not sure about all the trap doors. It helps for cleaning out the pipes when the clog up I guess but hmmm.. I dunno it is kind of a fuster cluck in that area.
I wish the bowl was larger. I have to dump it often.. Mostly because my Husky sheds a LOT.
Overall I really like this vacuum. It is the best I've owned. Would I pay $400+ for one? Probably not but I'm not sure I'd pay $400+ for any vacuum. My wife and I both give it an 8 out of 10. If it weren't for the suction hose nonsense it would easily be a 9.