Sharkbait
TPF Noob!
Got my first wedding shoot tomorrow night/saturday morning. Can't wait, but also nervous. 
steve817 said:pre-focus if you want shots of them coming down the aisle. Pick your spot, focus on it, and wait for them to walk into it, then shoot. That's the one I could have used. The camera I normaly shot with at the time I thought had a very reliable autofocus.
Boy was I wrong but a little quick thinking saved me.