Excerpt: The first thing that I noticed was that the flash usage was intuitive, both the set up and function. ETTL is foolproof but shiny surfaces, eyes etc are prone to have an image of a ring flash. This is however common to all similar products.
Pros: Consistent Output, Ease of Use, Easy To Use, Fast Recycling, Powerful Output
Cons: Bulky, Not Enough Adaptors, Not Interchangeable, Not Variable L To R