See also:
Tranny and Subversivism: Re-reclaiming Tranny (or not) part 1 Is Tranny Offensive? (No one can see who voted on this, except for me. So you won't out yourself to everyone.)
(UPDATE: This poll is in no way scientific, and I had to write it before my laptop battery died, so I may have spent, at most, five minutes thinking about it. And 1:=not offensive, 10:=very offensive.)
Poll Is 'Tranny' Offensive?