I've avoided posting leaked stuff (mostly) but I loved this screenshot (
link to a huge version) for some reason. It shows an example of the modification system they're using for gear, which I think is great. The way it works (right now at least) is that a piece of gear will have a single basic stat (for example, armor has - shockingly - an armor value) and the rest of your stat boosts will come from item mods or set bonuses. Meaning that - if you want to - you can feasibly use gear for a long time, updating the mods as you level. This is a shot of a lightsaber with four mods equipped: