Borderlands Game of the Year Edition has been officially announced and confirmed by Gearbox Software via a Tweet on their Twitter page.
Included in the upcoming edition of the game will be all four pieces of Downloadable Content available for Borderlands, as well as an additional bonus map.
It will be released this October 2010 on Xbox 360, PS3 and PC. So if you have yet to pick the game up, this will definitely be the definitive version to grab.
The DLC included in this Game of the Year Edition should include:
Here is an excellent video review of Borderlands.