Borderlands - Secret Armory of General Knoxx DLC Preview @ IGN

Borderlands is getting a new DLC entitled Secret Armory of General Knoxx, according to IGN. You'll get upgrades this time:

The level cap, for instance, is finally being lifted up to 61 from 50. That means you'll have more skill points to play around with and mold your characters into more formidable killers. What's even better to hear, at least for hardcore Borderlands fans, is there'll be more guns this time around, including an entirely new tier of rarity that Gearbox mentioned would dramatically overshadow anything else in the game.

The DLC will be released for all platforms, PC, Xbox 360, and PS3, although there's no info as of yet, when this will be.