I have the same experience too. However, when I run though what Joel was talking about, you create a feature list with the estimate first. Keeping track of th

I have the same experience too. However, when I run though what Joel was talking about, you create a feature list with the estimate first. Keeping track of the time you spent on a feature means going down the list and putting down how much time you spent on it. Keeping track of time by just entering in a log has always been problematic for me. And not having to keep track of interruptions is even better.