The new achievements for the upcoming Borderlands DLC may give some indication as to the new level cap that will be put into place. "The Secret Armory of General Knoxx" will apparently raise the level cap up to at least 61, but nothing is confirmed just yet.
Click for the full list of additional achievements
This list comes to the world courtesy of Xbox 360 Achievements.org.
Click for the full list of additional achievements
This list comes to the world courtesy of Xbox 360 Achievements.org.