Which would you pick between these 2 and why?

DNA 0.5. This amp is much more transparent than the 125, not that it is a bad amp, but with my setup the soundstage is much deeper and the detail is phenomenal.
The 125 has more mid range warmth and bass slam though.
I think the 125 would probably be a better choice with speakers that are on the brighter side. I tried it on some that were kind of bright and it sounded excellent with good weight and natural vocals and cymbal shimmer.
Both excellent amps for the money in my opinion

I blew it on my last reply. It should have said I bought a second McCormack, a ...read above

I bought the DNA-125 in the end. It's driven by a Spectral preamp and it sounds much better than the Bryston, of which I have owned several models.
While the Bryston is very detailed, to me it lacks character. It's very honest but no soul to it, no warmth at all and in a lot of cases a little thin.
This is the first McCormack power amp I have owned and I am quite impressed with it.
Thanks for all your opinions!