Everyone just listen to baz and be quiet ^^ Seriously :)
*edit*
or discuss in a civilized manner, of course :P
To clarify, I was just agreeing that it really is a different kind of system seller, and it depends on how you define it, just as several people have said. Including ioi. There's the type of system seller that the Wii has almost a total monopoly on, which involves a breakout hit, or a game that expands the market steadily and just keeps selling... and then there are the big names which appeal to long time gamers, which probably sell most of the systems they sell in advance of the actual game release, though in many cases they also cause big (and in some cases massive) spikes in system sales when the game releases, and add a kind of "gamer cred" to the system which is pretty hard to measure.
Essay Pro