Again it’s eagle-eyed Maximus who spotted that Sony Ericsson will be rolling out Z750 in purple and in silver colors — actually the latter is called “Platinum Silver.” The specs of course remain the same, and include such things as 2.2″ QVGA screen, 2 MP camera, HSDPA, and Bluetooth 2.0. The main idea seems that they just add more colors and make the device appealing to both sexes. Wondering which colors of the Z750 will be available on AT&T…