What was so far a rumor is now confirmed thanks to a screen capture from the ADC preview of Snow leopard :
It is clearly stated that an Intel-based Mac is required. If some were wondering if Snow Leopard will ever change something, Apple clearly demonstrate that one can conduct a massive evolution of an OS without affecting most of its interface. Leopard will be the last PPC-compatible OS X version, and the huge market of PPC-based Macs will have to evolve to Intel-based models. PPC-based Mac users will not really deeply complain since the announcement of the Intel transmission, years ago now, Apple has been always releasing universal binary application making the CPU switch as smooth as possible for end users.
For sure Snow Leopard will further increase the performance gap between PPC- and Intel-based Macs; and such decision is probably made by Apple in order to take adv
