If you check the
Archive Reference Threads topic on the other Wannabes forum, you will find
this thread linked to, as well as many others. I'm not sure it'll help much, though!
Actually, that reminds me - there was a long, long thread a couple of years ago about interview dress code. I'll see if I can dig it out. In the meantime - for all interviews, dress reasonably formally, with a collar and tie. Don't go overboard, and don't get too uptight about it.
Edit. OK, here's couple more:
Whate to wear for interview
What do I wear for an interview
Scroggs