Rogers Wireless this morning announced the launch of the UMA (Wi-Fi) packing BlackBerry Pearl. The BlackBerry Pearl 8120 features UMA support for Rogers Home Calling Zone, a UMA based service which allows Rogers customers to make unlimited local calls while in their Wi-Fi area. The Pearl 8120 features a 2.0 megapixel camera, external microSD memory card slot and of course the Pearl 2's newer...