Thanks for the link Jack, that is a very good price for sure. After having Michael's SE in my room I wouldn't want to have any less headroom than what that amp can give me. On most recordings I had more than enough power but on some it was nice to have more, probably because of the size of my room.
To the OP, if monoblocks are a must the 1200as2 boards are stereo but apparently the 1200as1 boards will be out soon. I know at least Rouge will be selling them as monoblocks shortly. The NC500 amps by Nord can be purchased as monoblocks as well. Someone else would have to tell you whether Nuprime has the ST-10 in a monoblock configuration as I don't know.
NOTE: I just looked to see who the OP was and realized he hasn't been back here since starting this thread? Well, at least the rest of us are entertaining ourselves