1. Motorola really dropped the ball on making processor chips. The chip division is practically defunct. Leaving Motorola was something that Apple/Jobs wanted to do a couple years ago but never happened.
2. The chips will be cheaper because they come from a company that specializes in them. This may translate to lower prices on Mac hardware.
3. This will make Macs even more compatible with PC networks than they already are which means that IT people can quit their whining about integrating their networks.
4. iFlicks? Hell yes!