With iRobot cleaning up in the robotic vacuum game, it's only logical that some major manufacturers like LG and Samsung want a piece of the dirt sucking action. Sharp has gotten into the game as well -- though the company's 'bot goes the extra mile for cleanliness. Cocorobo TX-V100 has voice recognition functionality and will happily talk back, courtesy of its "voice communication," which includes phrases like the ominous "I understand." The little f
