The Atrix 4G is today an eminently more intriguing smartphone than it was yesterday. Leaked code from Motorola's upcoming Gingerbread update for the handset has made its way into the hands of the always-eager coders at xda-developers, which has resulted in two things: one, the discovery that Motorola intends to unlock the Atrix's bootloader when it upgrades it to Android 2.3, and two, downloadable files to let you do exactly that today, even if you're still stuck on Froyo. Moto users have been pleading for this change for a long time and Motorola did