66% of surveyed 360 owners indicated that they were "neutral or more likely to buy a Wii because they now own an Xbox 360." Compare that to the 52% who were "neutral or more likely to buy a PlayStation 3." 19% of 360 owners were "somewhat or much more likely" to buy a Wii.
Wii owners, strangely, were slightly more positive about Sony's system than Microsoft's: 53% were "neutral or more likely to buy a PlayStation 3 because they now own a Wii", versus 44% of Wii owners who felt the same way about the 360.
We think we may have spotted a subtle troll in Gamasutra's writeup: "Results for PlayStation 3 owners buying other consoles were not disclosed in the survey results, presumably because the sample size was below Magid's acceptable levels." Either that's a joke at the PS3's expense, or reality is a joke at the PS3's expense.