This is not a first for Apple. I remember buying the 2006 Macbook with a CPU upgrade. A Core 2 Duo with 2GHz instead of 1.83. Due to heat, the CPU throttled un

This is not a first for Apple. I remember buying the 2006 Macbook with a CPU upgrade. A Core 2 Duo with 2GHz instead of 1.83. Due to heat, the CPU throttled under load and ended up with the same speed as the standard model.