I think that's the point though Leefer. The other banks weren't prepared to lend to HBOS because they're trying to be more careful themselves.
Inter bank lending (aka "libor") has been priced prohibitively for at least a year now, which is why liquid institutions such as Building Societies (who legally have to have at least 50% of their capital through retail channels, i.e. savings balances) are largely thriving right now, whereas PLCs (e.g. Northern Rock) are boom/bust.
You could argue that New Labour have removed "Boom" from that equasion but that's another discussion.