We just bought a used Armada, and one of the ceiling vents in the back is all busted and missing a lot of the slats. Also, one of the center console vents in the second row of seats is busted. Where can I find those parts, and how hard is it to replace them?

Try here
http://www.partswebsite.com/nissanpartscheap/index.php?i=2&model=1133&make=142&year=2005&section=124&catid=30233&type=parts&subcatid=61556&item_collision=1&items=none&image=3630280&catid=30233

http://www.partswebsite.com/nissanpartscheap/index.php?i=2&model=1133&make=142&year=2005&section=124&catid=30179&type=parts&subcatid=33722&item_collision=1&items=none&image=3630290&catid=30179

Man that's a lot of parts. Do you know which one is the vent? Looks like second on the list maybe? (air outlet vent) for $25?