I see a lot of people posting the same things over and over, many of which I addressed in previous posts, but I'll do it again.
Argument: Whether or not Apple will create a physical TV set. Why would I spend money on that when I already own an expensive TV, front projector, etc.
Response: Stop ignoring the current Apple TV (little black box). *That's* the Apple TV. It already exists! *If* Apple decides to make physical televisions, I predict that it will be running the same OS/UI as the current Apple TV box and they'll continue to sell Apple TV's alongside the physical TV's and keep the firmwares in sync. Already have a great TV? Just buy the Apple TV box. Need a new TV? Maybe you'll buy their physical TV set. Personally, I don't see them bothering making physical TVs at all.
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Argument: Siri will be a game-changer.
Response: Again, they can already add Siri support to the existing Apple TV in the same way they give you full QWERTY keyboard support on the existing Apple TV: By way of the Remote app on the iPhone, iPad, and iPod Touch. And I agree that this will be a great way to control the Apple TV.
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Argument: Apple will never get the NFL. DirecTV has a stranglehold on it.
Response: Sony already cut a deal. You can get NFL Sunday Ticket on the PS3 and not be a DirecTV subscriber. I predict Microsoft will offer it on the XBox and Apple could, if they're willing to pay enough for it, offer it on the Apple TV.
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Argument: The networks rely on ad revenue and deals with the cable companies and will never go for a la carte pricing.
Response: There already *IS* a la carte pricing. Go to iTunes and see for yourself. You can buy TV shows individually or, slightly discounted, by the entire season of a show. Amazon also offers this. It's already here. Today. The only issues are that they don't have *every* show from every network, and the pricing isn't as good as Amazon's (last I checked). They've got enough money in the bank and a large enough iOS userbase that I'm confident that they will leverage those things to improve selection and price.
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Argument: It won't replace my Blu-ray with 1080p/24 and 3D. Their 720p movies are over-compressed crap. I demand quality!
Response: No, it's not as good as Blu-ray, but it's not crap. It's darn good, as a matter of fact. Apple doesn't need to match Blu-ray quality, they just need to provide "good enough" HD quality, at a reasonable price, so that the masses will buy into it. Ever hear of MP3? Not as good as SACD, but the mass market has decided the convenience of MP3 combined with its "good enough" quality is worth more to them.