There's a lot of great AR's out there and you don't have to spend a fortune to acquire one.
With that said, I would suggest you look into the Huldra line of AR's, the Elite model runs around $1,600 and comes bare bones except for 6-30 round mags. It's a gas piston, so it runs incredibly clean and can run in an almost dry condition if need be. You will notice it comes standard with some serious upgrades such as an ion-bonded bolt carrier group, a melonited chamber & barrel plus a Jpoint trigger.
You won't find many internet reviews but those you will find are all very positive, so don't be held back by a lack of reviews, as this AR might very well be the "Glock" of the AR's because it just keeps going & going and going.