Originally Posted by LordOfTheFish
Yes, it is. Hilts are hidden throughout the levels. You can also get diferent color crystals, like you said. Also, the holocrons unlock the concept art. There is also a databank with info on the games characters, I think thats in all versions though.
Well, it definitely gives you some replay ability to go back and find everything you missed. I'm enjoying doing that on the 360 version. Not to mention maxing out Starkiller's force powers, abilities, and combos.