Both of them are great little machines. The primary difference as you mentioned is the look. Both of them have the same pressurized portafilter system, so they are both going to deliver good, consistent shots very easily for you.
Robert, I have been using the Jura EC50 for over a month and for the two of us it is perfect. As far as it concerns me the difference is in their price. Also, check how much room you have on your counter. It looks very nice and professional despite its light weight. WLL has the best price available for these machines and the best customer service ever. As for Chris' comment I agree with it, the EC50 delivers very good! AP.