I guess it depends what you want it for. POF is supposed to be top grade, military quality stuff.
I don't tend to run a lot of ammo through my .308 AR. So I'd rather spend my money on accuracy than the ability to shoot 2000 rounds without cleaning. But to each his own.
I've got about $2100 into my .308 and I built it with Mega Maten matching upper and lower and a Lilja barrel. It doesn't get any better than that. I didn't waste money on $200 backup iron sights, a $500 bolt carrier group and a $150 muzzle brake, but instead sunk my money into the stuff that really mattered to me the way i would be using it. The receivers and the barrel. The BCG is a Rainier arms match setup. Not the cheapest, but nothing compared to a JP. I'm currently using a RRA match trigger and while its much better than a standard trigger, the gun is accurate enough where i want something better. Even then, I'll only be into it for $2300.
I had it out this weekend shooting at 100 yards for the first time and we did better than 1 moa with only a 4x scope. I'm happy so far as this was my first shot at reloading for it. I'm going to play around with COAL and the charge weight and hopefully tighten everthing up.
Don
p.s. Its all about how you are going to use the gun. If I were using it for 3 gun competition, a $500 bolt carrier and a $150 brake would make total sense. But my intention with this gun is to shoot it fairly slowly as accurately as possible. So I have a simple, light, and inexpensive brake on it.