The BlackBerry Pearl, was for a week, something T-Mobile users could hold over the head of Cingular users. Sorry pals, now Cingular is getting the 8100 as well, and their version has Push-To-Talk.
https://gizmodo.com/gizmodo-frankenreview-blackberry-pearl-8100-200244
Some more pictures and a small review here.
https://gizmodo.com/blackberry-pearl-8100-officially-shot-out-of-a-cannon-198992
Cingular to get BlackBerry Pearl [CNET via Crunchgear]
