I have phoenix and it has aged like a potato! it was good back in the day but not anymore. I've tried demos of Accurc and next. although I have to use a games controller as I don't own a dongle for my transmitter. From what I can tell Accurc feels close to phoenix, while next feels more like the real deal al be it still off by quite a bit.
op said loops and fi-8s feel weird in next.. haven't encountered that but from memory the momentum was sometimes a bit wonky. I'll have to test again. Accurc has a lot of settings to tweek and such. Still unsure which to get though
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450L, 550L Dominator, 700L Dominator, Dx9, wishing for a OMP hobby M2