Microsoft has announced that Sky Player will launch for Xbox 360 on 27th October.
As you can see on the official website, the full channel line-up and pricing will be confirmed at launch.
Sky Player is currently available via the internet and allows you to subscribe (for a steep monthly fee) to watch things like Sky Movies, Sky Sports and other marquee channels.
It's heavily reliant on Microsoft's Silverlight technology for encryption - so much so that when a Silverlight exploit was exposed a while ago the service was taken offline - which presumably explains the Xb0x bi4s.
Look out for our impressions of the service soon, and check out our existing article on how it's all intended to work for more.