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Originally posted by shetline
Why shouldn't what I propose fit in the "very same horizontal dimensions"?
Um, because you're fitting *more* into the *same*?
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I don't really care if my MBP has nearly the same guts as an MB underneath. That should work just fine unless replacing the GPU or adding a lighted keyboard is more of a reworking challenge than I imagine.
You seem to be missing that
1) a GPU takes some space, not to mention a lot of engineering to get the cooling right. The MB doesn't have to deal with this.
2) the keyboard illumination takes some space for the light, not to mention a lot of engineering to get the balancing right. The MB doesn't have to deal with this.
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The 12" PowerBook, after all, wasn't much more than a glorified iBook clad in aluminum instead of plastic.
Yes, but the iBook had a GPU, unlike the MacBook, and the 12-inch PowerBook had no backlit keyboard, unlike what you want.
Ergo, neither difference was actually there.
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Just changing the enclosure wrapped around nearly the same innards resulted in a slimmer and lighter end result. The same should hold true for putting a slightly modified MB into an aluminum enclosure.
Except that you want more vast modifications.
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Since MBs are already closer in features to MBPs than iBooks ever were to PowerBooks
Not so. They use the same chipset, GPU and RAM, but that wasn't any different between iBooks and PowerBooks either. Yes, the iBook's CPU and FSB frequencies were lower, but that was more of an artificial limitation for business purposes than a technical challenge.
Just take a 13" MacBook, wrap it in aluminum instead of plastic (that should make it a little smaller and lighter, not to mention better-looking), put a real GPU in there with dual DVI support, give me a lighted keyboard, ambient light sensor, and a non-glossy screen as an option, and I'll be a happy camper. I can live without the ExpressCard/34 slot that the rest of the Pro models have.
