I'm sure there are some decent threads for droid characters. Nothing too recent that I can find however. A few of the things I did read seemed to focus more on creating very focused killing machines. I guess I wanted to cover the benefits and cons of playing a droid, and if they function as a viable character.
Sadly I haven't had the opportunity to play the character more than once (GM decided he didn't like GMing) but I designed a droid who was an older 501-Z model (Zed) who had long since lost his position in law enforcement (due to a tendency of shooting guilty parties if he calculated that they would not pay for their crimes) and was roaming the galaxy as a hired gun.
Through several versions of the character I realized that it seemed more viable to spend the majority of the starting 175 xp on attribute bumps (since they can never be raised later outside of cybernetic enhancements). I forget the ending stats, but I wanted something a little well rounded so that he was essentially still a functioning police droid with a few mental quirks. I think it was 2 in everything except 3's in agility, cunning and presence because I wanted him to be good with a blaster, able to outthink a criminal, and a strong leader type. If I'm not mistake that left me with 5 points left which I think I held onto without spending (this was after taking the extra 10 xp with additional obligation).
Didn't leave me with a lot of skills or money in the end, and no skills in my tree. But those were things that could at least be changed over time.
While I had an idea of what my character could accomplish, I wasn't sure exactly if he had anything else that just sort of came along with being a droid or with his model in particular.
Would my character, for example, have extensive knowledge of laws on different worlds? I would assume this would be a education check, which might not yield a good result for me as it's not one of my class skills (I haven't seen the Marshall tree in the new book, so maybe that would be a better option). For role playing purposes would it make sense to add a boost dice or two to the role considering the droid's previous experience?
Also regarding equipment what would a droid start with? Based on some of the droids that can be purchased it doesn't seem like a player character can ever be the equivilant of fresh from the factory. If I played an Astromech droid for example, I wouldn't have nearly the same level of attributes, skills, or gadgets that an Astromech has. A tool kit seems very standard for an astromech, but you'll have to spend 400 starting credits for it.
Any thoughts on the subject of droids as viable characters?