Originally Posted by
ekuw
I have the "red" one. I think at that time they were also selling "grey". Seems like the colors were limited editions in that year/model, but I don't think the machines themselves are actually different.
The red version was just a "special edition" faceplate for the grey model. Janome released it because so many liked the red of the 7700.
The light blue is indeed a slightly different/more featured machine - easy-set bobbin, acu-flex, different needle plates, and I think different lighting.