Re: want opinions on fly fishing vests....
I have the Flint Hills and really like it. Lightweight but carries everything I need, including the requisite fishing beverage. I also have the Arroyo chest pack which I use in the summer. I wasn't sure I'd like the strap around my neck but I don't even notice it.
IMO, a lot of vests out there will carry the number and types of boxes you will need. One thing to consider is how much you want to be able to carry in the back pouch (ie. food, rain gear, extra clothes, etc)?