theoretically, the closer you are to qvc on the sky digital listings, the more likely someone is to land on your channel during a channel surfing session.
(I don't think it has anything specific to do with the signing of peter simon)
Indeed, and you're also on the first page of the Sky shopping section. Right now Gems are half way down the second page.
It makes perfect sense to move to 645, as it did for Bid to swap places with Price Drop (albeit VERY briefly).