Thanks for the replies, it's good to hear from others that use this gear.
A little more information about this machine, it is a black body unit, without the AN condenser, but it does have the Leitz, after-market ring that lifts it slightly above the negative. The glass itself is, after a careful cleaning, spotless and without scratches. I've just now replaced the crumbly power cord and am amazed that the last user was not electrocuted or had experienced a burnt-out timer, as I read happened to another Valoy user. It is my understanding that this enlarger was in use until quite recently. Before that it was in the darkroom of a professional photographer for 25 years or more.
As far as film/developer/paper combinations, I like to read what others have experienced in using certain gear and material. Just as the well composed image taken with a Leica IIIc with an uncoated 50mm will look different than if the photo were taken with a F1N and a 50 mm FD Macro, I believe images made on the Valoy will differ than those I make with my 5x7 cold-head enlarger or my 23cII with color-head or the dedicated 6x6 cm condenser enlarger which sit on my bench now. I am an experienced photographer/printer but seeing what others have to say often leads to insights that allow us to grow in our craft, so please, feel free to share your experiences working with these machines.
Cheers