I would think that Nintendo, in delivering a more powerful experience, might try to win back the core gamer without alienating their new market. They'll put forth a compelling reason for the "casuals" to upgrade, but in doing so will create something technically intensive that will catch the eye of core gamers. Nintendo will also have far better 3rd party support from the beginning, which will also help in balancing the platform's appeal
Sony knows the casual game well, and will probably also try to strike a balance. They'll still want to make a media center solution, but will look at the Wii's success, and see a media center solution for the everyman, not for those on the cutting edge of the technology game. Something with a remote-like controller that everyone can use not only for their gaming, but also like a Blu-Ray remote, or an in-the-air mouse for web browsing, as well as a Dual-shock controller for "Classic" purposes.
Microsoft is harder to follow. Theirs is the most ardent "hardcore" following, and Microsoft could go a number of ways. They could continue to cultivate their niche in the market and try to build convergence with PC gaming, they could try for a more accessible console, or they could make a cross between the two that winds up satisfying no-one. Microsoft, i think, is the unknown quantity for next generation
Monster Hunter: pissing me off since 2010.
