Best power amp for Avalon Opus Ceramique

Trying to downsize my system to a speaker/power-amp/ cd-player set-up (with digital volume control e.g. Wadia 581, Audio Aero Prestige or EMM Labs).
Which power amp (ss or tube) in the range 5k-10k is recommended to use with Avalon ?
Will ICE powerd amps like BelCanto, JRDG or NuForce work as well ?