Yeah, I think it's their best since Hypothetical at least. It's kind of a mix between the Mac era (Clone - Dead Reckoning) and the older works,
Personally, I'd say it's well worth checking out and one of their best. Nothing incredible, but nice and melodic and quite progressive at times. Check out songs "The Hours" and "The Rubicon"
Digging: Sonata Arctica - Winterheart's Guild