Microsoft and Sony will expand on the Multimedia integration. Overall, I expect their next systems to be conservative. Sony will try to avoid the PS3 trap, aiming at a lower price; still, both consoles will focus on cutting edge CPU and GPU power.
Nintendo's next move is very hard to tell. The Wii's successor will be more powerful and HD ready, no doubt. But will they try to shake up the industry again? Or will they just refine the motion sensing / pointer functions? Wii Fit won't be the only alternative input device for the Wii, I bet N is constantly testing new ideas.
My guess is they'll wait another year or two to see how well the Wiimote concept will be aging - if people grow tired of it, N needs something new.
Currently playing: NSMB (Wii)







