So far I haven't been totally impressed with Zone AF. I found the results to be much better using single point focus (although, maybe that should be expected). Other than that, I love the movie mode...it's certainly a blast to play around with. Other than that, I like the fact that you can use the RC-1 remote with it (that has come in handy).


I must admit I was really looking forward to using the pop-up to wirelessly control my 580EX. However, I haven't put forth enough effort to familiarize myself that particular function quite yet.