Neither amp would have an effect on sound-stage, detail, or clarity.
Aside from the power difference (about ~+5db in favor of the Emo, if your speakers can handle that much power), both amps spec very well. Emo is more watts/$, that's the big advantage.
Have you more carefully assessed your actual power needs? (Play around with
THIS.) Your speakers are kinda sorta sensitive, so unless you have a huge room, you may not need the deep breathing capabilities of the Emo, and unused watts just go unused. At the same time, if your room is large, your seating is far away from the speakers, and you listen loud, then the Emo may provide that additional clean headroom you might need to tap into once in a while. You don't want to flog your speakers with so much brute power they hit their limits and fail.