May I draw YouView user's attention to a mailing list which aims to provide information about updates and new developments for YouView?
You can find this at www.youviewupdate.co.uk
This site also contains a survey which enables you to vote on which new features you would like to see on YouView. We know that YouView are following this, so this is a real chance for you to influence the future of this product.
Please note this is not a commercial website!