The newest Iain Banks Q&A is up (this is a few days late but I only just saw it a few minutes ago). In this one, he answers questions about killing off characters, his novel Walking on Glass, the existence of gods in the Culture, technological singularity, whether or not any of his books have been banned, and how disappointing it must be to live in Britain instead of the Culture.
In case anyone missed them, here are links to the first two Q&As:
