Walmart offers the Neato All-Floor Pet / Allergy Robotic Vacuum System
, model no. XV-21, for $290
with free shipping
. That's $15 under our mention from two weeks ago and the lowest total price we've seen. (It's a current low by $90.) Sales tax is added where applicable. This system works on most floors and features laser-based obstacle avoidance, a 6-foot boundary marker, one filter, two brushes, and more. Its filter purports to retain more than three times the amount of fine dust particles.