This is just a rumor that new T-Mobile Sidekick 2008 will be released next few weeks on July 30th. I never heard about this Sidekick 2008 before.
Here's some feature from Sidekick 2008
* Quad-band GSM/GPRS/EDGE
* 2 megapixel camera
* 2.6 inch WQVGA screen
* Video recording
* Stereo A2DP Bluetooth
* Standard Sidekick features.