I recommend ...
... the Kenmore Elite Oasis 2804
I've had it 2 years now, Does an Excellent Wash Job, is Quiet, has an Agitator with almost a 360" Arc of Agitation, 1000 RPM Spin Speed, and lots of options. It's on our 2nd floor and it is QUIET! Seriously, I Love it! Like anything today, it is...