Here's something interesting on the subject, while they don't debunk the end of the world, at least it's interesting in regards to their calendar.
Mayans Never Predicted December 2012 Apocalypse, Researchers Say
Now, as long as the end is a slow thing, I think I'll be alright. I've watched tons of Doomsday Preppers and played a boat load of Fallout.
I just did some extra research on the subject, and we are currently at 11:55pm on the doomsday clock, so I thin we're probably okay.