I must say that I like the SWG version of the neo... the t-visor is larger and I think this would be the best version for a costume. The helmet could be a blunter bullet-like shape then the rest over the top of the dome down to the shoulders could be leather or a stretchy leather-like vinyl coif. Here is an example of what I (as well as what I think Toragh and some others) mean. The tan color would be the soft parts, the silver/gray would be the hard part of the helmet:
It would look awesome of you could get the soft parts right.
It would look awesome of you could get the soft parts right.