Antique Sound Labs' 845-triode-based AQ 1006 monoblock amplifier has been around for a while, but it has recently undergone some significant revisions, and is now in Mk.II designation. It certainly looks different than before, with a new construction that is said to provide better mechanical isolation between the transformer and the actual circuitry. Price remains at $4495/pair. I like the new cage with the concentric metal circles on top.