Both of your choices churn out 200 watts and that really is what the 100's need. The Rotel is built like a brick sh*t house and is high current -- I would go with that, but try to listen to each before deciding. Most dealers will allow you to try them at home
You might also want to look at a used Bryston ST or new SST (Stereophile class A)-- I'm not sure what any of them run price-wise so the Bryston's may not be in the ballpark.
You might also want to look at a used Bryston ST or new SST (Stereophile class A)-- I'm not sure what any of them run price-wise so the Bryston's may not be in the ballpark.