This is a beautiful light source. I hear a lot about how even it is, who cares? Really? Even? What difference would a little variation make, seriously.
What is great about this box is the fantastic smooth quality of the light, the easy fast setup, and the great durability and design. I have used it on hundreds of shoots most on location and it looks great, travels well, and holds up well to repeated setup, tear-down and travel. This is my favorite piece of lighting gear, period.
Throws a beautiful round catchlight.
I also have profoto large umbrellas and while they are interesting, this is just a much better design.
It seems like a lot of money, but this box works great on everything and is totally worth the price. TOTALLY WORTH IT!