Yeah, as [MENTION=6695890]ccooke[/MENTION] said, I think they were overall pretty positive. With a lot of the criticisms, I think, he acknowledged that WotC didn't really have a choice about. Certain aspects of the game are the way they are and basically have to stay that way to avoid open revolt. They were really quite excited about their characters by the time they got through Background, Ideals/Bonds/Flaws, and Personality Traits. If I recall, they indicated they were planning on streaming some play with the characters.
Honestly, it's nice to see people involved in the design of various games being so respectful and positive toward each other. Mearls always seems very much that way, and Koebel spoke highly of Mearls. You see so many people (I'm loathe to call them "fan boys") who decide one game is the right or better way to RP and try to look down on others. Honestly, Koebel's general coolness made me quite a bit more likely to try Dungeon World out.