As a recent buyer of a 2012 Kona Blue V6 PP, I'm a bit perplexed about the depth of this discussion. I bought the KB color because I liked it better than white, black, red, etc. not because I preferred it to DIB, which was not a color choice. It's perfectly reasonable to like the color we bought. I actually liked the gray as well but now that I have put my money on the line, it's the best color by far! 8 )
Although I think I'm as car crazy as most on this board, and I look at other cars (including Mustangs) constantly, I'm planning on enjoying mine for a year or two before I start looking at a change.
Both are great colors if you like metallic blue.
Bill in Atlanta
65 year old kid
2012 V6 manual, Kona blue, stone, w Perf Pack
2004 Mini Cooper S
1980 BMW 320i