A systems success always depends on one thing:games. No matter how weak your system is, if the publishers have high support for it, the gamers will come. Sony has never had a problem aquiring those publishers, something that Nintendo seems to have lost since Super Nes. But lately due to the high cost of game development, exclusitivity has been dying on Sony's part. Honestly I really don't know who will come out on top, but it will be an interseting battle none the less.