http://www.digitalspy.co.uk/article/ds28621.html
From 30 January
Ch 311 - Sky Movies 9 HD
Ch 312 - Sky Movies 10 HD
From 7 February
Ch 405 - Sky Sports HD
Ch 756 - Sky Box Office HD 1
Ch 593 - National Geographic HD (changing to 543 on 28 February)
From 14 February
Ch 291 - Sky One HD (changing to 197 on 28 February)
Ch 757 - Sky Box Office HD 2
Ch 158 - Artsworld HD (changing to 268 on 28 February)
Ch 557 - Discovery HD (changing to 525 on 28 February)
Sky HD customers will be able to view listings for HD channels only via a special red-button feature on the Sky EPG.
Seems hard work if you have to press the red button for the HD EPG listing...
Automan.