Beware of the 2yr limited warranty. After 2 1/2 years and over 300 dives, I have 2 out of the 6 LEDs on the outer ring that have burned out. The first one burned out prior to the 2 year point and the second one burned out just past the 2 year point. If I had it serviced prior to the 2 year point, it is possible that some of the repair costs could have been covered, but I truly don't know. As it stands, because it has been more than 2 years since purchase, the repair costs are $165 plus shipping, so most likely over $200, which is half the cost of a new light. So probably not worth getting repaired. I think a 2 year limited warranty is inadequate for a $400 light.
That being said, I have enjoyed the light. Being able to switch between spot and flood with 3 different power settings each has been very helpful for underwater photography, especially at night. A typical dive light only has spot capability, and when pointed directly at your subject, causes a complete white burnout in the center of the picture or video. The flood light is the perfect solution for this.
I've read the review from Bruce Lynn and I truly don't understand what he is talking about. Yes, the operation of the single slide switch takes a little bit of getting used to, but it really isn't that hard to figure out. The lights are pretty straight forward. My manual was more than 1 page and was adequate. I haven't had any of the problems he talked about. The only time I was confused by the lights and operation is when I accidentally put it in the travel lockout mode, which that manual helped me fix.