I don't have any high end PCPs, but of the four I do have (Gamo Urban, Nova Liberty. 177, Nova Liberty. 22, Walther Dominator 1250 .177), the Dominator is by far the most consistent. I mounted a Hawke Vantage on it this January and it hasn't lost zero yet. All three of my other PCPs have frustrated me with poi issues, but the Dominator has been rock solid. Even the first shot after a fill is dead on. At 30 yards, I can aim at a blank piece of paper and hit exactly where my crosshairs are and then put another one in the same hole with Crosman Premier Domes 10.5 grain . The gun rarely throws "fliers" and when it does I'm convinced it's due to a damaged pellet. I got this gun last year when Umarex had their holiday sale for $120 (no tax and free shipping), which was a flat out steal.
I wish my other guns were as reliable as the Walther.