I started * focusing awhile back when I had an XT. I absolutely loved it as I tend to be "heavy fingered" when it came to the shutter release button!
Anyway, I was trying to get some shots of my daugther yesterday with my 30D. She was on a swing pretty much coming straight/ slightly angled away from me. I pretty much figuired that one shot AF wasn't going to cut it so I switched to AI Servo. I got home and found about 80% of the shots OOF.
My only thoughts are that even with AI servo the focusing distance difference was so vast between AF capture and shutter release that there was very little chance of getting an in focus shot.
I guess in shooting circumstances like these returning the AF to the shutter release is probably going to be the best option.
Anyone with a similar problem or any ideas?