I have been searching a long time for a light-weight snow boot for general recreational use (shoveling the driveway, running errands, etc) and I think this boot is going to work nicely for the intended purpose.

Materials & Fit:
I typically do not like the fit of heavier duty snow boots that are tight and overly stiff around the ankles and shins.  These are exceptionally light and comfortable and provide a flexible fit in the ankle and shaft that is not overly tight or loose (not sure you would be able to tuck jeans into these though).  The foot bed is fairly form-fitted (not sloppy and loose) with good cushioning and comfort and I experience no lift in the heel when walking.  The foot bed is very flat though, so if you are looking for good arch support, this is probably not the boot for you.  The sole of the shoe is admittedly squeaky when you walk on some indoor surfaces such as hardwoods, but the sole provides good grip I don't think there will be any problems with slipping on wet or icy surfaces.

Sizing:
Runs small.  I'd recommend ordering a half size up.  I'm typically a 7.5 or 8, but tend to lean more towards an 8. I ordered an 8 originally, but my toes were at the very top of the shoe with a very light-weight sock.  Ordered the 8.5 and it fits nicely with a mid-weight sock with a little room to spare.

Temperature Rating/Waterproofing:
I have not yet used these in wet/cold/snowy conditions, so I can't give qualified feedback on this yet.  I will say having now seen the boot that I'm skeptical about the temperature ratings on these (-25 F).  But, I have not tried a Columbia shoe with the Omni-Heat feature yet, so we'll see.  If they perform well to their temperature ratings and waterproof statements, I will increase my overall rating to 5 stars.