What remains to be seen is how Doom will run on this ocean of Celeries...
You're right. Never mind that the die cost may be well down in the single digits. That's for the stodgey old investor types. It's blasting mutant aliens that really matters.
P4EE is truly the "emergency edition". It helps patching the big hole.
Came about because of the athlongFX
Athlonfx came about because AMD thought Prescott would be a better performer in 32bit than athlon64. So - AMD had an emergency edition first. All part of doing business.
As to steppings, you have no clue what you are talking about HM. Not to be rude but there are steppings and there are steppings.