Here's the "In Production" thing with new footage.
[YOUTUBE]pE12H1HorUU[/YOUTUBE]
Obviously more interesting for people who've read the books and are trying to spot the new characters. Someone posted this list on YouTube underneath it.
0:14 - Stannis
0:15 - Melisandre
0:58 - Catelyn & Ser Loras
1:17 - Margery & Renly
1:20 - Theon & Drowned God Priest
1:46 - Renly with Brienne
1:49 - Davos
Also this tumblr page has already made gifs and memes from it:
Tumblr Of Thrones
Renly looks much better now. I didn't see him as a potential charismatic leader in the first season but he they seem to have worked on that (in the brief parts we see.)