Replied to this post a couple of weeks ago: <a href="http://news.ycombinator.com/item?id=3120510" rel="nofollow">http://news.ycombinator.com/item?id=3120510</a>. Continue to slug it out with the Goliath that is Pearson. To their credit, they are engaging us in the conversation. Figured I'd submit our latest thoughts to get feedback. Thanks.