I have not seen the new version, just the original and the Hist Channel doc. A very good movie and I will buy the new DVD set. If you have not yet read the book, GET IT and read it!!
Goes into WAY more detail than the movie, and it is all based on the facts and not "dramatazations". As far as the full auto question about the movie, according to the book, a lot of the rangers (but not all) were going full auto, and as far as running out of ammo, they did that also. There are parts of the story when the were leaving in the convoy from the target house and the wounded guys were passing full mags up to the guys shooting back when they ran out of thier own mags. Of course, even shooting one round at a time, you are going to run out of ammo if you are being attacked by the entire population of a city. This was a true SHTF situation. The rangers in the convoy had no way of knowing how long they were going to be driving, but none of them expected to be going as long as they did. 20/20 hindsight, you conserve ammo, but when you think it wil all be over soon why hold back? At least, that is what the book portrays. Now, I am sure the D-boys (Delta) were putting every round down range into a target. But like they always say, "You fight how you train".