|Steve hard at work|
There are a lot of robot vacuums out there to choose from and the VX-21 seemed to be the one that consistently pulled ahead in the reviews. I watched a number of videos on Youtube by folks who owned the VX-21 and some other brand. The VX-21 always won out. One reviewer noted that his other robot was "just a sweeper with some suction", whereas the VX-21 was a full-fledged vacuum. He sent his Roomba around first followed by the VX-21. When comparing, the VX-21 pulled more dirt out of the floor even though the Roomba had first dibs.
My own experience is that it picks up a lot of dirt,more so than what I get by merely using the vacuum cleaner. The simple fact is that both my robots spend MUCH more time with the floor than I am willing to. Our VX-21, nicknamed "Steve", takes about 40-45 minutes to do our small 3 bedroom/loft/hallway upstairs.
Steve can be programmed to vacuum at certain times, but to be honest we haven't used that function yet. I usually do a quick sweep through the upstairs to pick up any small items that Steve might accidentally suck up. Steve has great sensors, so he hugs walls and items closely, but rarely touches them. He will clean to edge of the stairs with no worries of going over. When finished, he returns to his charging station. His dirt catcher snaps in and out easily for quick disposal.
I also carry Steve downstairs to vacuum the basement. Since his charger is not there, he will simply return to where he began when finished.
My wife and I couldn't be more pleased with our purchase. Not only does the VX-21 do a great job and give us one less thing to concern ourselves with, but we know our house is cleaner due to the regularity and duration of vacuuming that is now occurring.
Buy it. You will not regret it.