from PC's (Macs) to game consoles. Between XBox, PS/3, and Nintendo
Revolution they'll sell a lot more chips than being one of two Apple suppliers.
Overall, PowerPC is doing OK. And remember, the most popular 32-bit CPU is the ARM chip -- just about everyone uses at least one ARM chip (cell phone, router, etc). TI ships more CPU's than Intel (50% of cell phone market vs 85% of PC market).
Tony