i like to wave! for some silly reason it makes me feel warm inside when i get a wave back. i think it's a simple but nice gesture, regardless of who you work for or what plane you fly. i could never understand the dudes that avert their gaze when walking through the terminal so they dont have to acknowledge you. seriously, what's up with that? i think phoenix is the most friendly airport i've ever been to. EVERY SINGLE airways pilot nods or smiles at you, and there are lots of them there! you just dont get that kind of friendliness in any of the east coast hubs. maybe it's something about the constant sunshine...