I think it's a myth. Xbox gamers aren't all as casual as people think. The thing about xbox is that the attach rate is ridiculously high also look at software sales. ps3 gamers may be more mature as a whole but you can weed out the immature on xbox as well, but ill give a slight edge in maturity to ps3 gamers but I think in terms of disposable income, that's gotta go to xbox gamers overall.