They can release as many consoles as they want. But if they drop support to soon for any fans won't be happy.
I don't think MS is the type of company which drops support and production of its product before the next one is out
"Quagmire, are you the type of guy who takes 'no' for an answer ?"
"My lawyer doesn't allow me to answer that question"
PSN ID: skmblake | Feel free to add me