Glynn Cardy takes on hell in this sermon. He argues that it is a theological idea that is the anti-Gospel.

"Then there are some theological ideas and doctrines that over time prove to be plainly silly. They are examples of ancient ‘common sense’ or metaphors wrapped in God language that now in hindsight and with greater scientific knowledge make no sense.

And then there are some theological ideas and doctrines that are just plainly dangerous. Like asbestos they need to carefully extricated from all teaching and preaching and destroyed. Tolerance is not an option. Hell is one such doctrine."

Full text at http://www.stmatthews.org.nz/nav.php?sid=447&id=880.