What LPS are people using on their Roon

Nucleus? What has it brought in terms of improvements?
A good linear power supply will significantly improve any digital transport (including a Roon Nucleus).  There is a lot of discussion over on audiophilestyle forum about Roon Nucleus.

You might want to check out the Teddy Pardo "TeddyNUC" power supply.  It's built for 19V Intel Nuc and Roon Nucleus. 
I have had a Teddy Pardo LPS powering a NAIM server for a decade now, fantastic sonics and super reliable.

it does benefit from a good power cord ( Kimber PK-10 ) into a Furman, Stillpoints and a VPI Magic Brick….