I'll preface by saying that the below has been my colour journey and reflects my own personal preferences/tastes so I'm not picking on any colour here...
Initially I went straight for Seneca as I like blue cars, saw the show car photos and thought "wow, I gotta have one of those!". After a while I started getting a bit concerned with it being too light/powder blue in some photos. After seeing the painted samples in person I decided that I wanted a richer metallic fleck and a colour that wasn't so "look at me" or "fad" that might go out of vogue in a couple of years.
So the longer I thought about Seneca, the initial "wow" of the showcar started changing to "it won't age well", but I could well be wrong!
Dark green and flat yellow aren't my thing so that left three colours remaining.
Magma interested me as I like red cars too, but I would prefer a bright red and didn't want a maroon shade that may have a brownish hue in certain lighting. I also like silver so considered Nimbus, but on real-world inspection of the sample discs I was put off by it being a creamy/beige silver. Brownish shades of any colour are just not my thing. Maybe when I'm an old bugger with arthritis it will be.
So I ended up with what's arguably the least popular colour (Shadow Grey) which I'm actually really really happy with. I think it will look elegant/masculine without being overly "look at me", should age well and doesn't need a black pack to look its best (avoiding a scratchy flat black roof). It should also really pop in the Aussie sun exposing some of the hidden blue fleck that isn't visible in the shade. As a bonus, based on colour polls to date, there will be very few of them around making them more exclusive!