I'm quite new here on the forums, so I don't know how often things like this are suggested, though I imagine a lot, but I've checked back a page or five and haven't seen too many, so here we go:
Hoverboards - low speed, Piloting level one.
Jet-powered air-surfers - Piloting two & three.
Jetpacks - I know we have that little Rocket Boot Legacy Perk, but... yeah. No.
These things, simply, would look brilliant, if the animation is done well (I'm sure it would be) and I've made this suggestion to a few of my fellow Guild Members and, so far, have had only positive responses.
And, in a similar vein, perhaps an item (Legacy and/or Cartel, most likely) that helps to reduce fall damage. A little glider that folds out've your back (many armours have a little backpack-type thing on 'em already, why not make it appear useful?) or even a blaster that is fired upwards and sprouts an umberella if we like a giggle.
I won't throw any more ideas into this post; I may be being naughty already, tying these two together.
Please, discuss.