I like the idea of more Droids, but I think they have been relegated to a subclass of support. It will be interesting to see what happens when they hit some of the more infamous ones, like IG-88."Destroyer droid P-59" or "Destroyer droid P-60"?Destroyer Droid - 12 cost, an ability that generates shields automatically or something. The only problem with that guess is that there haven't been multiple non-unique characters for any color as of yet.
Support droids fit as supports. Separatist droids will certainly make it in as characters.