Sony SDR-4X:

Just under 23 inches tall and weighs 14 pounds.

The gyroscope (as in Segway) motion control system enables SDR-4X to go places and do things its predecessors couldn't, such as balance on a moving platform and walk on carpet, It also showed off its ability to walk on uneven surfaces, and even gets back up when it's pushed over.

SDR-4X has the ability to remember the faces of 10 people and can even recognize emotions from facial features. It also understand continuous speech.Drawing from its vocabulary of 60,000 words, an SDR-4X displayed Tuesday asked a guest in a high, squeaky voice: "Please hold still for a minute while I memorize your face."

Honda ASIMO:

Weight: 43kg (85 pounds or so) Height: 1,200mm (48 inches or so)

"In addition to its compact size, ASIMO features a people-friendly design that is attractive in appearance and easy to live with"

Standing 120 cm tall, the nickel-cadmium battery-powered Asimo is the only remote-controlled humanoid robot in the world that can walk at various speeds, climb up and down stairs and perform simple tasks such as pushing carts and using tools. It can also shake hands, wave and bow.

Groovy Japanese Asimo site and English specs

Prices:

SDR-4X would be priced about the same as a luxury car and available by the end of the year. Honda currently leases Asimo to businesses for $152,400 a year

Also: check out the pretty Posy robot from Flower Robotics Inc