1. How Environmental factors affect the price of an Xbox 360 By John Comber

2. Price History http://en.wikipedia.org/wiki/Xbox_360#Timeline

3. Competition Main competition: Sony Playstation 3 – 40GB (£293.61) and the Nintendo Wii (186.16) Xbox 360 Arcade is the cheapest at £129.99 To poach the Nintendo Wii’s target demographic of the casual gamer Prices taken from game.co.uk

4. Ethics Xbox 360s have a failure rate of as much as 30% PS3s and Wii have failure rates of less than 1% Microsoft responded to this by increasing the warranty from one year to three years for consoles that display the three red lights Microsoft has been sued multiple times as a result of this