I have a 7.62x39.
I haven't owned as many high end firearms as some folks on this forum, but this rifle is worth much more than you pay for it, even with the inflated prices.
Mine had a stock split and I still like it.
I went for the skinner sight, it requires a couple of holes to be drilled and tapped in the rear scope base but looks a lot lower profile than the NECG site.
I'd imagine with good ammo a .223 model would be very accurate, as my iron sighted rifle with non corrosive norinco ammo shoots very well.