Jim here. WOW. In my opinion the best featurette yet! **SPOILERS** Take a look at this over at RottenTomatoes (their embed is not working for some reason). Explains many things that have been puzzling some folks out there - Why older weaponry? Why vertical take off aircraft? Etc.Can you see the Na'vi in the photo linking to the flying creature? :-)
The AMP Suits continue to impress as we learn more about them! Thanks jsayson15 for the heads up!