Shoppers can choose on price, availability and extras

Kinect for Xbox 360

Price: $150 standalone (or $300 or $400 bundled with the Xbox 360)

Hard to find? Perhaps — but with the holiday rush over, your odds are better now than they were two months ago.

Game catalog: There are about 20 Kinect-enabled titles on the market today. The most popular and best reviewed is “Dance Central,” a dance/choreography game from the makers of “Rock Band.”

Additional benefits: Videochat functionality allows you to videoconference with friends via Xbox Live and Windows Live Messenger. Using audio commands, you can play, pause and shuffle music. And with gesture commands, you can navigate the dashboard and pause/ rewind/fast-forward films you’re watching without ever touching a remote control.

PlayStation Move

Price: It depends on what equipment you already have and the game you want to play. Prices range from $50-$130 (or $400 bundled with the PS3).

Hard to find? Not particularly

Game catalog: More than 50 — with an additional 20 on the near horizon

Additional benefits: You can capture video and stills with the PlayStation Eye camera and use the Move controller to navigate the PS3’s dashboard. However, that’s not an organic experience and can be quite frustrating.

Nintendo Wii

Price: $200 (includes controller and console)

Hard to find? Not at all

Game catalog: More than 1,000 titles

Additional benefits: None

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