. They just never learned their lessons from DA-15, 13W3, HDI-45 and ADC. They could have at least used regular displayport or even better HDMI.
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The reason Apple went with mini-display port is for the industrial design. Regular DisplayPort would mean thicker MacBook. But I agree it is a hassle to pay another $29 for an adapter.
As for the OP, it depends if your going to be doing any hardcore gaming. If you are, then obviously the Pro because of its video card. If your not, then the MacBook. I play Need For Speed and WoW on my MacBook and they run just fine. The ability to expand the system in the Pro is an advantage, but considering your buying this computer for your kids I'm not sure if that will make much difference. Also the new MacBook is built much better incase your kids walk around with it and may accidently bumb it against a staircase or something. Finally, resale value may or may nto be higher depending if the potential buyer is interested in firewire (which the new MacBook lacks).