Is it possible for the next fallout game (whatever and whenever that may be) to be made by both Bethesda and Obsidian? Because if so it would make for one godly game, not to mention bethesda wont take as long as they took to make skyrim.

Doubtful.

I also doubt it.

Use this thread for speculation; http://www.gamesas.com/topic/1364939-fallout-4-speculation-suggestions-and-ideas-thread-59/