I don't recommend reading that entire comments thread unless you wish to have a brain haemorrhage, but here are a few choice excerpts. Presented without individual commentary, because it would be like shooting fish in a barrel, but...
(oh, and spoilers for Children of Earth, natch)
Tonight’s BFI preview screening of the first episode of Torchwood’s third series was an unexpectedly hilarious event, with the panel all in sparkling form. Eve Myles entered the stage with the words “He’s on crutches and I’m pregnant- we’re your action heroes!”. The two cast members present proceeded to spend the rest of the session corpsing each other, while Russell T Davies talked about how he’d developed the initial idea for the five part serial.
Spoiler-free impressions of the episode itself after the jump.