I made the switch to first lite last year, and will never look back.
You get what you pay for, and it will help you stay in the field longer and more comfortably.
I've picked up a few Kuiu things in the last week too, but I'm not all that impressed with it so far....time will tell.
This stuff isn't just for the guys out west. Just watch...in the next 2-5 years, it will be what everyone wants to wear in the deer woods too.