I have been looking at these for a while, reading reviews and such- I have been a longtime Ugg customer. These boots are a fraction of the cost and might even be more comfy! They look a bit different than uggs in profile, but they are by far, much warmer!
I might not be able to wear these in the summer like I wear my uggs (hence the 4 star instead of the 5)  but these are a superb winter boot! After reading several reviews regarding sizes, I decided to purchase a size eight (i wear a seven in UGGS and typically a 7.5 in any other brand). They fit perfectly, with a little room, but not enough to slip as I walk.
Very happy with this brand- just might have converted me!!!!!