I think Motorola put their money behind PowerPC, a RISC architecture. I think it was a smart move on their part, because, while PPC didn't do so well on the desktop, it got into embedded products like video games and network hardware.
Today, the main CISC competitors to Intel are AMD and VIA, both who clone the Intel.
Today, the main CISC competitors to Intel are AMD and VIA, both who clone the Intel.