According to Pinstack, a source has confirmed to them that RIM will release a second generation BlackBerry in September on the T-mobile network. The rumored BlackBerry 8320 is said to have WiFi support and a 3.2 megapixel camera.
Other rumored features include:
3.2 megapixel camera (or better)
Flash improvement and 6x digital zoom
3.5 mm Headset Jack
External microSD slot
Wi-Fi capable
64MB of memory
Streaming media support
4.5 hours of talk time/17 days of standby
Stereo Bluetooth
Windows Media DRM & MTP
Black or semi Black to be available at later date.
Top and rear loudspeaker
Motion Lock
High speed USB
Improved build quality
Other rumored features include: