Excellent Product
I used this SB-600 on my Fuji S3 digital camera for a friend's wedding. I found that you do need a diffuser (such as an omni bounce), otherwise you get shadows. And it works great bouncing off the ceiling to fill the whole room. This flash is easy to use, reliable and the batteries didn't die until picture #637. I had no instances of it not going off when I took a picture ever.