Me to they run about 750 new in NC. All i have heard is that it is a nail driver and the barrel makes it one. With a regular round barrel when barrel is cool shoots where you want it to pretty much. But as you shoot 1 after another and the barrel heats up it will not stay as accurate.
With the vtr triangular barrel i was told it is designed to stay cool after shooting shot after shot and keeps 100 percent accuracy After shooting long periods. Other than that i don't know much about it.