[2023] best planes for 7.3 Germany (GRB)?

If you're gonna go for ground-focus CAS, I'd say the Arado-C or Narwhal, if you're going to go for air superiority, I'd say the 109K is a fairly healthy pick, even if it's only a 5.7 prop running in a potentially 8.3 game.

Maybe the Ta-152C (since it has the Mk,103?)... It would allow some anti-ground capacity, but I haven't played it at all to comment on how well it flies.