didn't apple dump their proprietary Motorola chip sets and now us x86 technology?? The only thing that's apple about apple is the OS.
The AIM consortium, a joint project between Apple, IBM, and Motorola. The PowerPC G5 was unsuitable for laptops because it ran too hot and consumed too much power. Intel's Core chips provided better performance per watt. They were probably cheaper too.
Apple's biggest advantage if they can tailor their OS to the hardware. This doesn't make a hell of a lot of difference in the desktop world. Though mobile, it does. Which is why Apple's laptops tend to have better battery life than many Windows based laptops. It's a problem Microsoft is aware of but difficult to solve due to hardware fragmentation.
Also their laptops aren't really that expensive when you compare them to other higher end prosumer brands like Lenovo. The top end 13'' MBP costs more than the ThinkPad X1 Carbon, but it comes with a much bigger SSD and double the memory, which makes up for the added price.
Apple's desktops are a poor value though.
The iPhone is still one of the best mobile phones on the market. Consistently strong performance and are price comparable with top end Android devices.
The iPad is over priced due to Apple's ridiculous storage options. I also get annoyed with it's lack of customization. I don't like having to jailbreak all the time. The Surface 2 is probably better for my needs. What Microsoft needs to do is allow you to dual boot Android on it, or sideload Android apps like Blackberry 10 does. Would temporarily solve its issue with lack of quality apps.