A new space marine flyer from Forgeworld is about to be announced, the
Space Marine Stormeagle - £80. Here is the pic, and the link over at Forgeworld, which is apparently not completely ready. Just one pic, and no background yet. As for sources, this was posted up on Beasts of War, but was sent to via email.
http://www.forgeworld.co.uk/Home/Space_Marine_Stormeagle.html