Got it done. It is absolutely wonderful. Definitely beats my previous pre. Seems to have a good bit less gain than my 7N7 based preamp but it also sounds fantastic. Not sure if there are quieter backgrounds, or what it is in particular that I am hearing that I find so much more involving but the music is more liquid and beautiful. I was wondering why I spent so much on a new preamp given the trouble Grainger and I went to on our previous scratch build, but I am not now.