If it follows Microsoft's usual pricing strategy - not really any more expensive than Vista is now.
(Note: This is actually one reason why Microsoft couldn't be classed as "not being a Monopoly". A company holding a monopoly will increase their prices year in, year out as there is no competition there. Windows has stayed at "relatively" the same price since Win98).
(Note: This is actually one reason why Microsoft couldn't be classed as "not being a Monopoly". A company holding a monopoly will increase their prices year in, year out as there is no competition there. Windows has stayed at "relatively" the same price since Win98).