Boston's BrewLogo Design Contest

My wife and I currently own two drive thru Espresso Stands in which we sell: coffee, fresh pressed juice, breakfast, lunch, healthy snacks and energy drinks.

Someone once told me if your "logo" doesn't look good in Black & White, it probably won't look good in color. More than likely, if we love our new logo, we will print on black cups "popping" a white logo and vise versa. We would like to see our street signs/shirts/menus with some color/flare.. And our cup prints in B/W! Our street sign is on a busy highway in which tens of thousands of drivers can see, we want them to be able to recognize and associate right away. We like the colors Purple, Black, Grey and White! Very open to different colors if that doesn't get complicated and stressful :-)!!

We are naming our business' after our 19 month old son Boston. I have a degree in Kinesiology and my wife's is in Communication. Both of us are not very "artistic" if you will. I will attach a couple images in which we are interested in. The best way to describe what we are looking for is: Simple, recognizable without literature, clean and welcoming.