>Bruce,
>
>I have often wondered the same thing. Right now you can refer to your car as a 99' Ford. Well what do you do with a 2000, or 2001 Ford. This even sounds funny into the teens. Anyway you say it, it sounds funny. Something I read once said that back in the early 1900's they used ought 1, ought 2 and so on. This does not have a nice ring to it either. Be interesting to see how it turns out.
In many places in Europe (specially trains, ships, hotels), 00 is the number of the toilet door. So "oh-oh" or "double-oh" won't sound nice over here :)