I'm still considering various LPS options. I have just ordered a 5V DC interface for my Bluesound Node 2 which should arrive next week.

Does anyone know of any reviews or has anyone compared the Allo Shanti and the Sbooster?

On the WAM there was a bakeoff between various PSU using the Bluesound Node 2i as source, a Chinese cheap LPSU did pretty well, not far behind the Sbooster.

Unfortunately the Allo was not tested.