I’ve not seen one in the flesh; that wouldn’t been possible, but the brand new Macbook and Macbook pro lines are mouth-watering. The hardware upgrades, the change in look, the improved graphics; that’s all nice, but really peripheral to the one ‘feature’ I find intriguing. This ‘unibody’ idea is beautiful.

Anyone who has worked milled aluminium knows how gorgeous the stuff feels, both before and after it becomes a product. Working it down from a solid chunk into a final form is infinitely more satisfying than working with any other material in my opinion. Milling can be frustratingly slow, and if you get it wrong, it’s impossible to make a seamless fix. With CNC you cut that out, but you swap that for a level of precision that is hard to rival even in the most highly-skilled handmade version - the result is a million miles away from a sheet or cast metal construction. It genuinely feels more organic, sharp, natural and real - a single body is infinitely more sophisticated than something that feels like it has been bolted together, no matter how well that has been done.

And that’s why I’m dying to pick one up and hold it. I’m not actually that fussed about forking out to own it - my current model still does more than well enough for my needs (though it’s not like I would turn one down if anyone is offering) I just don’t need an upgrade. But the fact is that you can plainly see from the photos, the videos (especially the manufacturing one) that this a beautifully engineered and solid piece of construction. This technique is to be rolled into their two new notebook products, and that means that even by Apple’s previously high standards, this casing is going to bring the feel of this laptop into a league of it’s own, because as far as I am aware no other company has done this in mainstream laptopware before.

Admittedly, the Macbook Air has used a similar technique for a while (again a stunning product to hold), but I think this technique will lend itself even better to the thicker design of these new products. It’s a bit unusual to be more excited by the manufacturing method than the complete product, but I am.

There is one caveat though. I can think of a number of reasons why other manufacturers might not have gone down this route in the past, and although I can banish most of my qualms about it, there are couple I still don’t have an answer for.

This process is more complicated and initially more expensive to setup due to the hardware involved, but over time it’ll pay for itself and any machinery can be re-tasked for future models. The complexity of the assembly is going to be considerably reduced at the pre-digital component stage.  The thing that gets me is the waste and energy required to produce it this way.

My gut feeling would be that in waste terms, the system is actually going to be pretty efficient - Apple wouldn’t want to be squandering all that expensive material it’s paid for. Although you might be essentially removing a large percentage of the mass as milled-out swarf, that can be melted down and reused, and I would imagine that is what Apple will be doing. The gold and silver trade became incredibly efficient at this a very long time ago. But even if that is the case, the big drawback of this is that you constantly have to keep re-melting down the material, as opposed to the current method of applying a smaller amount of heat for a shorter period of time just enough to form a shape. And that’s expensive. The closest thing to an analogy I can think of is boiling a kettle of six cups for every time you want to make one just for yourself.

For all their talk of green, I do wonder whether this will erode at their other credentials? I mean keeping metal molten for long periods (whether its in their own factories or further up the food chain) is not that efficient. I just imagine it can’t be particularly energy efficient even if their other production processes are. I’d love to know, but I don’t believe tours of the Apple factories are that easy to come by.

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