Playstation move has been out for over 5 months now and it did pretty well.
BUT, It could have done better. the playstation move was only released on the PS3 with an user base of 50 million with mostly "Hardcore" gamers.
over 150 million people own a Playstation 2, wich is a great system. its power is almost equal to that of the Wii and there are more "casual" gamers on it than there are on the PS3.
Move games don't require a lot of Graphical power. So it could can be a good idea for Sony to bring the Playstation Move to the PS2, Right ?
But, why don't they ?