If $ is no object then the Seek 0 is a good choice. I rode one last week. You are paying extra for hydraulic disc brakes (instead of mechanical) and their styling. Other than that it is really their road bike (rapid/fcr) with internal gears and disc brakes.

To save a few hundred dollars you might look at the Giant Tran Send EX, which comes with fenders and a rack. It's not as pretty though.

You can certainly add fenders and a rack to the Seek but be careful that your rack is sized for disc brakes (they add width).