Well, Sony is capturing both and it's working!
They have reduced the lead between 360 and PS3. That way they wont abandon hardcore or casual gamers like Nintendo and MS have.
MS is focusing on Kinect and forgetting about others.
Nintendo had focused on Casual in the Wii, so even 3rd parties Had abandoned them.
3rd parties had abandoned Nintendo long before Wii. Though it was not intended to be so, Wii was a big middle finger to them for years of screwing Nintendo over, and well-deserved
Monster Hunter: pissing me off since 2010.