Ecruz,
I have the Unison Unico running a pair of Triangle Antals. The Unico has a tube pre-amp stage- thus like a tube pre with a solid state power amp. This seems to be a particularly good match with my Triangles with awsome midrange, dynamics, and sweet highs. But I don't think it would match your combo- in particular with power hungry speakers. It also costs considerably less. I do think you are in a very good place, TAD 150 and the DNA 1 are awsome components for the money. Lets see how long you last though....
But I share with you the feeling how this uppgrade addiction is brought about by this site.. Although I say I'm done.. I still check every day...