The TX short stroked should do as good as a springer can, a lot is the weight, a lot getting that pellet out on time. I have a short stroked Venom HW77 and have a bench rest scope on it. Its heavy and accurate and one of the few that behaves at the bench. It also has a load report even when with a moderator.

For the break barrel the Tasco should do fine. Shoot it a lot and enjoy, just work to its limitations by keeping the range point blank spot on... farmyard ranges. Don't faff when shooting it its not target bench shooting. Farmyard ranges bring home the bacon.