I have a seven year old daughter who right now is in love with the Move (she's never tried motion gaming before). If a game comes out that is appropriate for her and needs the NavCon (only hardcore shooters/RTS games use it so far), then I'll get one.
What I don't get is, how does that affect anything I've said? If the NavCon works for a particular gamer's situation, then by all means that person should get one. However, they can easily test things out with the DS3 first for free and decide if they are fine saving their money, which a lot of us are doing now. My way, which is Sony's current marketing choice, doesn't force gamers who don't want the NavCon to pay extra. Your way needlessly makes enjoying the Move more expensive than it has to be.
Or put more simply, with the current break-down of all of the possible retail configurations, just about every single Move player can find an affordable setup that's perfect for their needs. Doing it your way, some of us would grumble about an unnecessary expense or hold off on the purchase altogether.
I look around the internet and there are people who use the $30 they would have used on a NavCon towards a second Move. That's the individuilzed flexibility I'm talking about, which your method ignores for whatever reason. What about the poor kid in your example who can't handle the DS3? His parents should buy him a NavCon, currently sold with a $10 gift card at some retailers - problem solved.
Your racing analogy for two Moves fails hard. You can't play GT5 at all using a wheel with no pedals, but can play Sports Champions just fine with one Move. You can however play GT5 with your trusty old DS3 and skip the wheel purchase altogether. That's just like skipping a 2nd Move; it's the gamer's choice as to how he prefers to play. So until you come here saying that GT5 should have a wheel included with every purchase, just like Sony themselves show in conferences, demonstrations, blah, blah, blah, don't bother trying defend this point. Choices, choices, choices are good no matter how much money you personally want to force people to spend when they don't have to.
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In any case, why did I encourage your off-topic thread derailment about peripheral sales when we're here enjoying the game itself? Do what you want as far as buying it goes; I'm done addressing personal choice issues you obviously need to work out for yourself. Just stop trying to spend other people's money and you will be fine. We can all decide for ourselves what setup works best.