Well with the new car on it's way I'll have to come up with a new screen name to go by... something ingenious... something very comparable to what I drive... like Orange was to my other car...
I'd go for originality. Its easier for me to remember screennames that DON'T involve cars. Most are just variations of eachother, with either your engine size, year of car, or color, etc....
Whats wrong with just sticking with orange? you could switch to apple or something?? the artist formerly known as orange?...or how about "black....."
Hey call yourself what ever you like. You don't have to explain it to anyone if you don't want to. Night Ryder sounds cool too. Blackie just seems like a name for a kitty cat to me.