I have had my LG CordZero for a couple of months.  I use it ever morning to vacuum my wood floors and my kitchen tiles.  It does a fantastic job.  It is so light weight which is what I need because of a back problem.  I love the docking station, and I also love the fact that I didn't have to attach it to a wall.  It is free standing and very sturdy.  The battery is long lasting.  Even though I haven't had to use the backup battery, the fact that it is always ready should I need it is a major plus.  The only thing that would make this vacuum better for me would be that I would be able to use it on my area rugs and wall-to-wall carpet.  The pile is just too dense to be able to easily push it.