While nothing can make any kind of video display readable in direct sunlight, my green face does pretty darn well. When the sun is shining directly on it, from most angles, I can still barely read the text if I look closely. Unlike a backlit LCD display, which gets completely screwed if even the slightest sunlight hits it.
Also, for those of you who wear polarized sunglasses (IMHO the coolest thing for reducing glare off the road), the Empeg display is not affected by polarization the way that backlit LCD displays are.
As far as color goes: If I didn't care about matching my car's dash, the coolest LOOKING colors are Blue and (now that I've seen it when I met Hugo) Red. But since my car dash is green, I'm sticking with my green face.
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Tony Fabris