Tube poweramp for B&W Nautilus for under 2k?

I am really looking for people who have owned or been in contact with the Vac and B&W's. I appreciate the other responses but am looking a little more specific on this one
Tod

I am sorry I was not more clear. I have the Nautilus 804's. I know there is enough power but how about the rest of the dynamic range? Good tonal balance? What charachteristics do you notice in this piece? Thanks for the reply.

Thank you very much you really have been quite helpful. I listen to a lot of rock so I will look into the Svetlana's if the used amp I get does not have them already. I have the musical fidelity 3.2 right now and it is really good in many ways but I miss tubes. Who knows maybe I will keep both. But I wanted to try out a good tube amp and the CJ is just too expensive and I really do not have room for monos