Also it has free delivery and has 3% quidco (so thats an extra bonus of £5)
This seems to be the best deal about at the moment, since both of the main games cost at least £30 (often £35+)
You can also do a collect in store at PC World
As taken from the dixons site:
Kinect Sensor Bundle with Kinect Adventures, Dance Central & Kinect Sports.
Take gaming to a whole new level with the Kinect Sensor & Kinect Adventures game pack. The Kinect brings you revolutionary gameplay by making you the controller! No more wires, gamepads or gaming accessories. Play with your entire body as the controller, and get into the heart of the action!
Get your groove on with Dance Central for Kinect and Xbox 360! This revolutionary dance game gives you the freedom to dance like nothing can hold you back. The Kinect gives you a real full-body dance experience by letting you be the controller!
Dance Central features over 600 different dance moves, and over 90 dance routines, set to some of the hottest chart-buster songs! From the creators of Rock Band comes this hip-swinging music experience. Whether you are a beginner or an expert dancer, Dance Central has the moves and the music to turn every evening into party time! Break down the moves to learn them, or simply jump in and start performing. And once your friends come over, challenge them to a dance-off and prove who really owns the dance floor!
Kinect Sports features adrenaline-pumping sports like soccer, beach volleyball, bowling, table tennis, track and field and boxing. 20 unique game challenges in single-player or party mode will set the mood for a sporty evening! As your skills improve, you will also have to face new challenges and progress through 4 different levels. Get the entire family, form teams and compete against each other. And since your entire body is the controller, jump, skip or slide your way to the finish line!