Design summary update:
1. 24% Thinner than Iphone 3GS
2. Iphone OS 4 - Multi-tasking capabilities
3. Glass front and back, stainless steel on the sides.
4. Front facing camera
5. Camera and LED flash on the back. 5MP, 5X digital zoom, illuminated sensor
6. Micro SIM
7. Noise cancellation microphone
8. Integrated antennnas: GSM, UMTS, Wifi, GPS, bluetooth
9. Retina Display - pixel density is 4X more than the currentl display
10. HD video recording - 720P * 30fps
11. Sensors: Gyroscope (3-axis), accelerometer, compass, proximity sensor, ambient light sensor.
12. Ibook app for Iphone with PDF reader
13. FaceTime. Real time video call on wifi.
14. Available in black or white variants
15. A4 processor chip

Will be available June 24, 2010 in US, France, Germany, UK and Japan.
Iphone 3GS 8gb = $99
Iphone4 16gb = $199
Iphone4 32gb = $299