Hi! None of the proposed IMHO covers it.
Perhaps, they reckoned that producing attractive enough a camera they would convince enough Pentax users to buy it. Then of course the prices would drop. Then they would produce their upgrade and even more people would buy it and prices might as well go upwards. You see, it is illogical to assume that when Pentax software department works on version x.y of their software, they don't have feature set of version x.y+1 or even x+1.0 written someplace well seen... I would vote for 4, but I think it is more elaborate... Boris