10 Must-have Gadgets for the 2012 Holiday Season

iRobot Roomba 790
The Roomba 790, introduced in 2012, is an update to this 780 model. Photo courtesy of iRobot

Even if the person on your gift list likes to vacuum, he or she might want a Roomba just for the fun of it. Imagine a vacuum cleaner that crawls around your home sucking up dirt while you're out having fun or asleep in the hammock.

Robotic vacuums aren't entirely new, but the Roomba 790 from iRobot, introduced in 2012, is loaded with high-tech features. It senses where it's been and covers an entire room before moving on to the next. It takes its time, detecting the dirtiest spots and going over them thoroughly. It automatically adjusts to different floor surfaces -- carpet, wood or tile -- and crawls under furniture and into other hard-to-reach spots. When it's done, it ambles back to its docking base and starts recharging its batteries.

If that's not enough, the Roomba 790 also features dual HEPA air filters to eliminate dust and a suction system designed to deal with animal hair and other tough forms of dirt. The wireless command center lets you start, stop, steer and schedule regular cleanings [source: iRobot]. At about $700, the Roomba is a luxury. But as a holiday gift, it's hard to beat.