I like the first one. The black masks the fact it is a modern body, and with the chrome or polished wheels, it has the classic hot rod look.

BTW, black tends to make things disappear, since your eye will always see the light or bright colors first. It is also a neutral color and goes with anything, so I would not feel that the truck has to be color coordinated.....unless you are painting the tires to match too. :-)