[jimtorr]

....Clock speeds and advances in general had slowed considerably with the PowerPC line....

If I recall my ancient history correctly, Apple abandoned the PowerPC partly because the manufacturers had slowed down deliveries to Apple in favor of DoD contracts.

The PowerPC processor was used in U.S smart weapons for years.

[TheBattman]

That is possible, though I was not aware of that factor. I do know that Jobs got frustrated with slow development -