I will ignore the "...I'm a thinker. Most women I meet probably aren't." comment, as I don't think that you meant it the way that it was written.
In addition to all of the good suggestions above (for topics of conversation), I suggest that you regularly read a good newspaper. If you stay well-read on a large variety of topics and current events, you are bound to find something that will be of interest to your date if you get to a lull in the conversation.