Even where goblins aren't 'attack on sight', i feel playing a goblin would still involve plenty more alternative dialogue from the not being taken seriously or reactions to their being a goblin than drow or gith do?
Maybe Hobgoblins as they'd probably only have the same amount as gith/drow, once the initial hey arent you evil gets out of the way. There's not that dismissal goblins/kobolds/etc get.