Umm watch docm77 video about it, have the golem go through 3 lava things then into water, and then in the water place a tnt and you will be able to get the loot.. just watch the new video from doc it'll help you out. http://www.youtube.com/watch?v=qhEow1BxyQs
Iron golem spawning is completely overhauled, so is villager breeding and trading. This makes all previous iron farms useless.
Private Mod Note
Rollback Post to RevisionRollBack
DO NOT OPEN THAT SPOILER!!!
If you are reading this then you you totally ignored what I said about not opening that spoiler three spoilers ago.. Don't you remember? I said "DO NOT OPEN THAT SPOILER!!! But no, you were a rebel and did it anyway!