These types of design questions are always interesting. Please state what your requirements are, and let's see what the best design would be. There are usually really neat solutions "out there", or design patterns that makes life easier. As you rejected some of the proposals above, it would indicate that you also have additional requirements than was shown in the original questions.

These types of design questions are always interesting. Please state what your requirements are, and let's see what the best design would be. There are usually really neat solutions "out there", or design patterns that makes life easier.