BlackBerry Curve 8520/8530

The BlackBerry Curve 8500 series introduced the optical trackpad to the BlackBerry world. The 8500 series also featured updated specs and design.
Released (US):
August, 2009

BlackBerry Curve 8500 Series Review
BlackBerry Curve 8500 Series Features & Specs
BlackBerry Curve 8500 Series Cases & Accessories
Apps, Games & Themes