I didn't get that vibe at all, honestly. I had the feeling, during the interview, that everything went rather smoothly. Of course, that doesn't mean anything about the interview itself. Afterwards, you start second guessing everything yu said, at least I do.
For those that haven't gone yet: Like DVF said, just be honest and be yourself. If that's the profile they're looking for, there shouldn't be too many problems.
Anybody with an idea when we can expect some news?