We've all experienced 20/20 hindsight. Use it to your advantage.

I just had a conversation with a friend who was trying to decide whether or not the call to action on his new homepage should be more functional or emotive, and this was holding him back. It seemed to me that bigger questions were unanswered - like how do people make this decision now? And this revealed that it was more important to just get any page out to get those conversations started.