I have the 2010 Boulder Pre along with the 2050 Monos. I have to say that I haven't listened to many of the above listed well-respected names, but all I can say is it's a GREAT preamp, no sound colorations, very fast and very natural. It is at least 2 classes above than my previous ML Ref. Preamp. Yes, it's insanely expensive (but so are the most of the above) but you'll love it...
