It's very hard to be sarcastic with text. Hell, I'm bad enough at spotting it in speech. Also, I see <img src="/ubbthreads/images/graemlins/rolleyes.gif" alt="" /> as meaning annoyed or fed up, not tongue-in-cheek. But that's me. <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />