Why the Low-End BlackBerry Curve 8520 is First to Get RIM’s New Trackpad

The new BlackBerry Curve 8520 hits T-Mobile USA stores today, along with a brand new BlackBerry "trackpad."'s Al Sacco calls shenanigans on RIM's "official" reason why the low-end, entry-level Curve is first get the BlackBerry trackpad and offers up his own possible explanation.