Dual CPU strategy not unusual for Unix based hardware vendors
"I hope they leave Intel and move back to PowerPC with their desktop and laptop machines."
Maybe they will offer PPC based Macs again at some point, it wouldn't be difficult to do now that they have all their software development tools dual-arch capable. But even if they do, what makes you think that would mean abandoning x86? It would be more likely then that they just use both. In fact it is rather common for Unix based hardware vendors to use two CPU architectures. IBM do it, SUN do it, HP do it. Apple could well do the same. One might even argue that Apple's development toolchain is better suited to a dual CPU architecture product line than that of any other vendor.
So, yes, it's not impossible that there will again be PPC Macs, but it is rather unlikely that there will be no x86 Macs.
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Dual CPU strategy not unusual for Unix based hardware vendors
"I hope they leave Intel and move back to PowerPC with their desktop and laptop machines."
Maybe they will offer PPC based Macs again at some point, it wouldn't be difficult to do now that they have all their software development tools dual-arch capable. But even if they do, what makes you think that would mean abandoning x86? It would be more likely then that they just use both. In fact it is rather common for Unix based hardware vendors to use two CPU architectures. IBM do it, SUN do it, HP do it. Apple could well do the same. One might even argue that Apple's development toolchain is better suited to a dual CPU architecture product line than that of any other vendor.
So, yes, it's not impossible that there will again be PPC Macs, but it is rather unlikely that there will be no x86 Macs.