Good is a relative term. For many years, I felt that a good air rifle was a 2 MOA rifle. I still do. Two MOA at 75 yards is 1.1/2 inches, and the 8 ring on the EBR target is 2 inches. If you shot all your shots into the 8 ring, you would have a good score.
Do I still shoot EBR with the Marauder I took to my first match? No, I shoot an FX, but it is a rifle I grew into.
Any benchrest match is a "gear heavy" sport. To let expense deny oneself the experience and the community of the competition is a bad call. At the basic level, benchrest with pellets is a marksman ship challenge. After my first EBR, I though, "This is the best no BS match I have ever been to". Air rifle benchrest is still that high on my list.
Ron