The wind was not too bad. conditions varied but the range I experienced while working was from calm to 7-10kts
Mostly it was ok and not an issue.
At night, overhead, I could hear the wind roaring, but luckily during the day it was OK.
I have heard the wind in the summer is legendary!
I took a 654D
120mm A macro
All the lenses have cp filters
I took a set of grads, and used only the soft grads.
A crap load of 32 gig of cards, and seven batteries
tripod, arca monoball, and a wimberly sidekick
I used a lowpro h20 bag, (which I dearly love, until this trip when the waterproof zipper started to act up!)
There is a complete picture of the carry in load, in one of the posts, its disgustingly a large amount of gear!
I had a Nikon D90 with a 18-200 VRII as a back up, but honestly don't know what i would have done if the 645 gave me any problems, it never has before.
I'm sure the little nikon is a capable camera but, it would be a dramatic difference in IQ and my goal is always shooting for big prints...