Manley or VTL big monoblocks. Like you said, the more power, the better. Perhaps the large Atma-Spheres, but even that may not be enough. Not too many options that I know of. I've seen them demoed with Audio Research monos, but IMHO, you can do better for the same money.
Have you asked Thiel? Cheers,
Spencer
Have you asked Thiel? Cheers,
Spencer