Gamestop recently posted up a listing for a Borderlands Game of the Year Edition Strategy Guide with a release date of September 9th. Soon after CVG posted up this information
the link was removed. Kotaku contacted Gearbox
for more information and simply received a "no comment" response.
The listing for the guide supposedly made mention of including strategy for the 3 DLC packs so its most likely that any Game of the Year Edition release will simply pack in all the additional content with the original game.... View this article on the HomePage.