Were I advising someone who was trying to stock up for PAW right now - I would recomend you buy Yugo surplus ball. I have quite a bit and it's good shooting ammo. It's sealed in tins, packed 2 tins to a crate.... the stuff will be ready to fire long after I am gone. It requires a bit of extra cleaning precaution because of the corrosive primers but no biggie IMO.
Of the commercial packaged ammo I would recommend Golden Tiger, Brown Bear, Barnhaul, Wolf, Ulyanovsk FMJ first. I'd buy whatever was cheapest and most availiable. Last year that was Golden Tiger and I bought a case to try out. It's good to go as far as my weapons are concerned. I've shot various amounts of it all over the years and never had any problems.
I still got a case of the blue box "Hunting" Barnhaul with the 8M3 "effect" JHP. That 8M3 JHP is a great bullet - if will feed in your gun. It's been putting Pigs and white tails down like a death ray.
Will