I never go into the field with out the rifle mag pouch, the only problem I have had with it was that it does not fit in the Millcotts rifle rack to well.
There old NBC bags were really good, I used it on every ex for the past 2 years, and even though I have the new small pack (got it a few weeks ago) I will probably still use it.
The CP first generation hydro pack, I have is good for some things, but not others. It sucks for drivers, if you are required to leave on your TV, or if you try to put it under the TV, or attach it to it. It was really good with the old webbing though.
The old GPS/FRS pouch: I have had it since my 5's course, and I never was able to make use of it until last summer when i used it on my TV to hold an FRS radio; and have did not have a problem with it, the new ones, look to be a pain, because they can not be attached with out those clips.
The Mag-Light pouch is junk, too small, and what is the point of that front pocket.
As for most of there new stuff, I can not see how it can be used to help rather then hinder the user, in my opinion most of there new kit is geared to the civi paint-baller that wants to impress his friends with cadpat.