Given the question was imperial or Metric. Having both gives more variety and flexibility . I haven't as yet shot a H2H but the preference will depend on where and when I am shooting.
Gloomy September evenings FITAs 6 doz 90/70m by 20:00 hrs it can be hard to see, so the flexibility to shoot New/Long - Nationals/Warwicks and still post scores beat that . Sunny? Weekends we get to chose Yorks/ FITAs. None of the poor old foreigners get to choose so the small parochial
GNAS has more choice!
Just remember the when there is fog in the channel it is the rest of the world that is isolated and cut off