New bike, new wheels equals sluggish IME.
Compared to your old bike it probably does feel sluggish. Its something most people dont realise but new hubs, new grease makes for friction. That will ease as miles are put in.
I fitted Fulcrum 5s to one of my previous, well used, well bedded in bikes. The first thing I noticed was how slow it felt...terrible. I took out the wheels and spun by hand, the rotated a few times then rolled to a stop. I did the same with my old wheels, they spun and spun.
Ok, I'm going to have to be patient and let them free up...like hell. I brought low friction cartridge bearings and fitted them, the result was instantanious.
I know thats not the answer for some, I am impatient, give it some time, they will free up and roll much better.