The ability to have more than 2 windows open at the same time, such as inventory, crafting, and crew skills window open all at the same time.
Something to boost reverse engineering. 20% is a terrible crapshoot, and for people like me who wants every recipe in the book, it means either spending oodles of time or oodles of money on crafting mats. Give us a booster, even if it's in the Cartel Market, that lets us get a guaranteed reverse engineer attempt for certain time duration.
Also, take out worthless stat combos, like cunning gear with tanking stats or vibroknives with aim stat.