I'm running Calypso with Kharma mono's, they work a treat. I've had for example the Dartzeel int and Jeff Rowland Criterion/301 in my system and while they're far more expensive I wouldn't swap mine out for either. More musical than the Rowlands and a more dimensional soundstaging than the Dartzeel.
They're not vastly powerful at 100w into 8ohm and 150 into 4ohm but they drove Wilson 7s beautifully, sorry I'm not familiar with your speakers.
