Ref: AT & T Phones, New AT & T phones 2009, upcoming June phones, upcoming Nokia Phones, Upcoming Sony Ericsson Phones
As far as information spread online, now there are two upcoming at & t phones expected to be available during June 2009
The first one is Nokia Mako- expected to be avaiable since 5th june 2009. check the following picture of Nokia Mako; and more information about AT & T Nokia Mako here

The second upcoming AT & T phones in June 2009 is Sony Ericsson C905a also known as Sony Ericsson Tobey which is expected to be available since 9th June 2009.
Check the picture of Sony Ericsson Tobey and more detials specs of Sony Ericsson Tobey here;
Long waited,? in jun 2008, the phone was reviewed and now 12 month pasted, US AT & T finally launched in US market
“The Sony Ericsson C905a features 8-megapixel camera with CMOS sensor and autofocus, xenon flash, face detection, 16x digital zoom and QVGA video recording capability. It is also a quad-band GSM phone with 3G American Band support, as well as GPS receiver, A-GPS with picture geotagging support, and of course, Wi-Fi connectivity. It sports a 2.4-inch QVGA 18-bit scratch-resistant LCD display, and has an integrated FM radio, music and video playback, Bluetooth and 160MB of internal memory which is expandable via M2 memory card slot.”

