... it seems that Haloscan is currently out of commission; as a result comments and trackback are currently not available. Sorry about this - I hope things will return to normal soon.
UPDATE: (Saturday 14OCT06 17.10 BST) Ah good, they're back - maybe it was just a Saturday software update.
2nd UPDATE: (Saturday 14OCT06 23.15 BST) ... or maybe not. Haloscan seems to be down again.