Rega NAIA phonopreamp

I wouldn’t make a judgement based strictly upon price unless one has personal experience

ok

I've never heard the Little Loco but having heard other Sutherland phonos, I'm sure it's very good.

But if I owned the Naia/Aphelion 2, I'd stop at the Rega Aura. I own the P10/Aphelion 2. I tried the Rega Aria, then a Zesto Andros II, and finally the Aura. 

The Rega synergy cannot be replicated with another phono when you are at the level you are. The Aura and Aphelion 2 are such an outstanding pairing. 

That's only my opinion and experience.

Flagship/statement model deserves the same in phonostage- Aura.

Only thing to consider is tube presentation, which some prefer. 

I'd put a Minus K underneath and be done.