Nokia will launch both 7500 and 7900 Prism phones in Q3 2007. The 7900 comes with diamond shaped buttons on its keypad, where the rear end is set in anodized aluminum. Features include a 16 million color OLED display, dual-band 3G and quad-band GSM capabilities, a 2MP shooter, and 1GB of internal memory. The 7500 shares the same diamond theme, but in a smaller dimension. It comes with a microSD card slot. Both the Nokia 7500 and 7900 will retail for $288 and $549 respectively.