I had a Fagor 14lb wash/7lb dry combo unit back when they were selling them in the states, and four hours is about right for a full cycle. It was a fun toy, but not one I would have bothered with if I didn't need it for space reasons (and in fact, when I moved to a place with an actual laundry room, I sold the Fagor and got an SQ front load set.)
The truth is an all in one means a lifestyle change, so things like capacity and actually dry (and unwrinkled) clothes are never going to satisfy someone who has the space and ventilation for proper separates. It was pretty nice to be able to wake up to clean, warm work clothes in the dead of winter though..
But I have to say more than anything I'm completely mystified why Whirlpool would have a top mounted chemical hopper for an undercounter machine!