One of the only complaints, if you could even call it that, that I had with Borderlands 2 was that it didn't really do anything new. They gave us one new elemental type and a few revamped gun types.
Borderlands: The Pre-Sequel, despite being described almost as a minor expansion, is offering fundamental changes to gameplay thanks to the addition of low gravity/no atmosphere gameplay environment, laser guns (finally), and ice elemental weapons that should have been there from the beginning. The following narrated walkthrough should give any fan of Borderlands a firm case of the claptraps in anticipation of its release this fall for the Xbox 360, PS3, and PC.
To learn more, check out Borderlands: The Pre-Sequel on Facebook, Twitter, YouTube, and the official site.